diff --git a/README.md b/README.md
index 2924c69..a798dd9 100644
--- a/README.md
+++ b/README.md
@@ -195,7 +195,6 @@ The following optional commands can be used to manage your application configura
 ./installer.sh --system              # Configure applications for the entire system
 ./installer.sh --user --uninstall    # Remove all configured applications for the current user
 ./installer.sh --system --uninstall  # Remove all configured applications for the entire system
-```
 ./installer.sh --user --setupAllOfficiallySupportedApps    # Configures all officially supported applications for the current user
 ./installer.sh --system --setupAllOfficiallySupportedApps  # Configures all officially supported applications for the entire system
 ```
diff --git a/bin/winapps b/bin/winapps
index 0f24c86..cf4a52b 100755
--- a/bin/winapps
+++ b/bin/winapps
@@ -49,7 +49,11 @@ if [ -z "${FREERDP_COMMAND}" ]; then
 		FREERDP_COMMAND="xfreerdp3"
 	fi
 else
-	dprint "Using custom freerdp command ${FREERDP_COMMAND}"
+	if command -v $FREERDP_COMMAND &> /dev/null
+		dprint "Using custom freerdp command ${FREERDP_COMMAND}"
+	else
+		echo "You have supplied a custom FreeRDP command, but the command is not available."
+	fi
 fi
 
 if [ -z "${RDP_IP}" ]; then