diff --git a/packages/winapps-launcher/WinAppsLauncher.diff b/packages/winapps-launcher/WinAppsLauncher.diff
new file mode 100644
index 0000000..962b1bf
--- /dev/null
+++ b/packages/winapps-launcher/WinAppsLauncher.diff
@@ -0,0 +1,11 @@
+--- a/WinAppsLauncher.sh
++++ b/WinAppsLauncher.sh
+@@ -19,7 +19,7 @@ declare -rx EC_WIN_NOT_SPEC=6
+ declare -rx EC_NO_WIN_FOUND=7
+
+ # Paths
+-declare -rx ICONS_PATH="./Icons"
++declare -rx ICONS_PATH="@out@/Icons"
+ declare -rx APPDATA_PATH="${HOME}/.local/share/winapps"
+ declare -rx CONFIG_PATH="${HOME}/.config/winapps"
+ declare -rx CONFIG_FILE="${CONFIG_PATH}/winapps.conf"
diff --git a/packages/winapps-launcher/default.nix b/packages/winapps-launcher/default.nix
index 362f428..cbe0b76 100644
--- a/packages/winapps-launcher/default.nix
+++ b/packages/winapps-launcher/default.nix
@@ -29,16 +29,18 @@ stdenv.mkDerivation rec {
     (callPackage ../winapps { })
   ];
 
+  patches = [ ./WinAppsLauncher.diff ];
+
+  postPatch = ''
+    substituteAllInPlace WinAppsLauncher.sh
+  '';
+
   installPhase = ''
     runHook preInstall
 
     mkdir -p $out
     cp -r ./Icons $out/Icons
 
-    sed -E -i \
-      -e "$(printf "%s$out%s" 's|^declare -rx ICONS_PATH="./Icons"|declare -rx ICONS_PATH="' '/Icons"|')" \
-      WinAppsLauncher.sh
-
     install -m755 -D WinAppsLauncher.sh $out/bin/winapps-launcher
     install -Dm444 -T Icons/AppIcon.svg $out/share/pixmaps/winapps.svg
 
diff --git a/packages/winapps/default.nix b/packages/winapps/default.nix
index 9730c67..ea8ea8b 100644
--- a/packages/winapps/default.nix
+++ b/packages/winapps/default.nix
@@ -34,30 +34,23 @@ stdenv.mkDerivation rec {
     iproute2
   ];
 
+  patches = [
+    ./winapps.patch
+    ./setup.patch
+  ];
+
+  postPatch = ''
+    substituteAllInPlace bin/winapps
+    substituteAllInPlace setup.sh
+    patchShebangs install/inquirer.sh
+  '';
+
   installPhase = ''
     runHook preInstall
 
     mkdir -p $out
     mkdir -p $out/src
 
-    patchShebangs install/inquirer.sh
-
-    sed -E -i \
-      -e 's/grep -q -E "\\blibvirt\\b"/grep -q -E "\\blibvirtd\\b"/' \
-      bin/winapps
-
-    sed -E -i \
-      -e 's/grep -q -E "\\blibvirt\\b"/grep -q -E "\\blibvirtd\\b"/' \
-      -e "$(printf "%s$out%s" 's|^readonly INQUIRER_PATH="./install/inquirer.sh"|readonly INQUIRER_PATH="' '/src/install/inquirer.sh"|')" \
-      -e "$(printf "%s$out%s" 's|^readonly SYS_SOURCE_PATH="(.*?)"|readonly SYS_SOURCE_PATH="' '/src"|')" \
-      -e "$(printf "%s$out%s" 's|^readonly USER_SOURCE_PATH="(.*?)"|readonly USER_SOURCE_PATH="' '/src"|')" \
-      -e 's/\$SUDO git -C "\$SOURCE_PATH" pull --no-rebase//g' \
-      -e 's|./setup.sh|winapps-setup|g' \
-      -e 's|\$SUDO ln -s "./bin/winapps" "\$\{BIN_PATH\}/winapps"||' \
-      -e 's|\$SUDO ln -s "./setup.sh" "\$\{BIN_PATH\}/winapps-setup"||' \
-      -e "s|\$\{BIN_PATH\}/winapps|$out/bin/winapps|" \
-      ./setup.sh
-
     cp -r ./ $out/src/
 
     install -m755 -D bin/winapps $out/bin/winapps
diff --git a/packages/winapps/setup.diff b/packages/winapps/setup.diff
new file mode 100644
index 0000000..98aaece
--- /dev/null
+++ b/packages/winapps/setup.diff
@@ -0,0 +1,88 @@
+--- a/setup.sh
++++ b/setup.sh
+@@ -38,8 +38,8 @@ readonly SYS_BIN_PATH="/usr/local/bin"                  # UNIX path to 'bin' dir
+ readonly USER_BIN_PATH="${HOME}/.local/bin"             # UNIX path to 'bin' directory for a '--user' WinApps installation.
+ readonly USER_BIN_PATH_WIN='\\tsclient\home\.local\bin' # WINDOWS path to 'bin' directory for a '--user' WinApps installation.
+ # 'SOURCE'
+-readonly SYS_SOURCE_PATH="${SYS_BIN_PATH}/winapps" # UNIX path to WinApps source directory for a '--system' WinApps installation.
+-readonly USER_SOURCE_PATH="${USER_BIN_PATH}/winapps" # UNIX path to WinApps source directory for a '--system' WinApps installation.
++readonly SYS_SOURCE_PATH="@out@/src" # UNIX path to WinApps source directory for a '--system' WinApps installation.
++readonly USER_SOURCE_PATH="@out@/src" # UNIX path to WinApps source directory for a '--system' WinApps installation.
+ # 'APP'
+ readonly SYS_APP_PATH="/usr/share/applications"                        # UNIX path to 'applications' directory for a '--system' WinApps installation.
+ readonly USER_APP_PATH="${HOME}/.local/share/applications"             # UNIX path to 'applications' directory for a '--user' WinApps installation.
+@@ -69,7 +69,7 @@ readonly TEST_PATH_WIN="${USER_APPDATA_PATH_WIN}\\FreeRDP_Connection_Test" # WIN
+ # 'WinApps Configuration File'
+ readonly CONFIG_PATH="${HOME}/.config/winapps/winapps.conf" # UNIX path to the WinApps configuration file.
+ # 'Inquirer Bash Script'
+-readonly INQUIRER_PATH="./install/inquirer.sh" # UNIX path to the 'inquirer' script, which is used to produce selection menus.
++readonly INQUIRER_PATH="@out@/src/install/inquirer.sh" # UNIX path to the 'inquirer' script, which is used to produce selection menus.
+
+ # REMOTE DESKTOP CONFIGURATION
+ readonly VM_NAME="RDPWindows"  # Name of the Windows VM (FOR 'libvirt' ONLY).
+@@ -129,13 +129,13 @@ function waTerminateScript() {
+ # Role: Displays usage information for the script.
+ function waUsage() {
+     echo -e "Usage:
+-  ${COMMAND_TEXT}./setup.sh --user${CLEAR_TEXT}                                        # Install WinApps and selected applications in ${HOME}
+-  ${COMMAND_TEXT}./setup.sh --system${CLEAR_TEXT}                                      # Install WinApps and selected applications in /usr
+-  ${COMMAND_TEXT}./setup.sh --user --setupAllOfficiallySupportedApps${CLEAR_TEXT}      # Install WinApps and all officially supported applications in ${HOME}
+-  ${COMMAND_TEXT}./setup.sh --system --setupAllOfficiallySupportedApps${CLEAR_TEXT}    # Install WinApps and all officially supported applications in /usr
+-  ${COMMAND_TEXT}./setup.sh --user --uninstall${CLEAR_TEXT}                            # Uninstall everything in ${HOME}
+-  ${COMMAND_TEXT}./setup.sh --system --uninstall${CLEAR_TEXT}                          # Uninstall everything in /usr
+-  ${COMMAND_TEXT}./setup.sh --help${CLEAR_TEXT}                                        # Display this usage message."
++  ${COMMAND_TEXT}winapps-setup --user${CLEAR_TEXT}                                        # Install WinApps and selected applications in ${HOME}
++  ${COMMAND_TEXT}winapps-setup --system${CLEAR_TEXT}                                      # Install WinApps and selected applications in /usr
++  ${COMMAND_TEXT}winapps-setup --user --setupAllOfficiallySupportedApps${CLEAR_TEXT}      # Install WinApps and all officially supported applications in ${HOME}
++  ${COMMAND_TEXT}winapps-setup --system --setupAllOfficiallySupportedApps${CLEAR_TEXT}    # Install WinApps and all officially supported applications in /usr
++  ${COMMAND_TEXT}winapps-setup --user --uninstall${CLEAR_TEXT}                            # Uninstall everything in ${HOME}
++  ${COMMAND_TEXT}winapps-setup --system --uninstall${CLEAR_TEXT}                          # Uninstall everything in /usr
++  ${COMMAND_TEXT}winapps-setup --help${CLEAR_TEXT}                                        # Display this usage message."
+ }
+
+ # Name: 'waGetSourceCode'
+@@ -158,7 +158,7 @@ function waGetSourceCode() {
+         $SUDO git clone --recurse-submodules --remote-submodules https://github.com/winapps-org/winapps.git "$SOURCE_PATH"
+     else
+         echo -e "${INFO_TEXT}WinApps installation already present at ${CLEAR_TEXT}${COMMAND_TEXT}${SOURCE_PATH}${CLEAR_TEXT}${INFO_TEXT}. Updating...${CLEAR_TEXT}"
+-        $SUDO git -C "$SOURCE_PATH" pull --no-rebase
++
+     fi
+
+     # Silently change the working directory.
+@@ -385,7 +385,7 @@ function waCheckExistingInstall() {
+
+         # Display the suggested action(s).
+         echo "--------------------------------------------------------------------------------"
+-        echo -e "Please remove the existing WinApps installation using ${COMMAND_TEXT}./setup.sh --user --uninstall${CLEAR_TEXT}."
++        echo -e "Please remove the existing WinApps installation using ${COMMAND_TEXT}winapps-setup --user --uninstall${CLEAR_TEXT}."
+         echo "--------------------------------------------------------------------------------"
+
+         # Terminate the script.
+@@ -405,7 +405,7 @@ function waCheckExistingInstall() {
+
+         # Display the suggested action(s).
+         echo "--------------------------------------------------------------------------------"
+-        echo -e "Please remove the existing WinApps installation using ${COMMAND_TEXT}./setup.sh --system --uninstall${CLEAR_TEXT}."
++        echo -e "Please remove the existing WinApps installation using ${COMMAND_TEXT}winapps-setup --system --uninstall${CLEAR_TEXT}."
+         echo "--------------------------------------------------------------------------------"
+
+         # Terminate the script.
+@@ -800,7 +800,7 @@ function waCheckGroupMembership() {
+     # Identify groups the current user belongs to.
+     USER_GROUPS=$(groups "$(whoami)")
+
+-    if ! (echo "$USER_GROUPS" | grep -q -E "\blibvirt\b") || ! (echo "$USER_GROUPS" | grep -q -E "\bkvm\b"); then
++    if ! (echo "$USER_GROUPS" | grep -q -E "\blibvirtd\b") || ! (echo "$USER_GROUPS" | grep -q -E "\bkvm\b"); then
+         # Complete the previous line.
+         echo -e "${FAIL_TEXT}Failed!${CLEAR_TEXT}\n"
+
+@@ -1621,8 +1621,8 @@ function waInstall() {
+     waFindInstalled
+
+     # Install the WinApps bash scripts.
+-    $SUDO ln -s "./bin/winapps" "${BIN_PATH}/winapps"
+-    $SUDO ln -s "./setup.sh" "${BIN_PATH}/winapps-setup"
+
+     # Configure the Windows RDP session application launcher.
+     waConfigureWindows
diff --git a/packages/winapps/winapps.patch b/packages/winapps/winapps.patch
new file mode 100644
index 0000000..478d0ac
--- /dev/null
+++ b/packages/winapps/winapps.patch
@@ -0,0 +1,11 @@
+--- a/bin/winapps
++++ b/bin/winapps
+@@ -295,7 +295,7 @@ function waCheckGroupMembership() {
+     # shellcheck disable=SC2155 # Silence warnings regarding masking return values through simultaneous declaration and assignment.
+     local USER_GROUPS=$(groups "$(whoami)")
+
+-    if ! (echo "$USER_GROUPS" | grep -q -E "\blibvirt\b") || ! (echo "$USER_GROUPS" | grep -q -E "\bkvm\b"); then
++    if ! (echo "$USER_GROUPS" | grep -q -E "\blibvirtd\b") || ! (echo "$USER_GROUPS" | grep -q -E "\bkvm\b"); then
+         waThrowExit "$EC_NOT_IN_GROUP"
+     fi
+ }