diff --git a/src/diagrams/sequence/sequenceRenderer.js b/src/diagrams/sequence/sequenceRenderer.js
index fcf41d28e..8d8094e6b 100644
--- a/src/diagrams/sequence/sequenceRenderer.js
+++ b/src/diagrams/sequence/sequenceRenderer.js
@@ -338,7 +338,7 @@ export const draw = function (text, id) {
       activationData.starty = verticalPos - 6
       verticalPos += 12
     }
-    svgDraw.drawActivation(diagram, activationData, verticalPos, conf)
+    svgDraw.drawActivation(diagram, activationData, verticalPos, conf, actorActivations(msg.from.actor).length)
 
     bounds.insert(activationData.startx, verticalPos - 10, activationData.stopx, verticalPos)
   }
diff --git a/src/diagrams/sequence/svgDraw.js b/src/diagrams/sequence/svgDraw.js
index 998c51a6a..aaabfea60 100644
--- a/src/diagrams/sequence/svgDraw.js
+++ b/src/diagrams/sequence/svgDraw.js
@@ -101,12 +101,12 @@ export const anchorElement = function (elem) {
  * @param bounds - activation box bounds
  * @param verticalPos - precise y cooridnate of bottom activation box edge
  */
-export const drawActivation = function (elem, bounds, verticalPos) {
+export const drawActivation = function (elem, bounds, verticalPos, conf, actorActivations) {
   const rect = getNoteRect()
   const g = bounds.anchored
   rect.x = bounds.startx
   rect.y = bounds.starty
-  rect.class = 'activation'
+  rect.class = 'activation' + actorActivations
   rect.width = bounds.stopx - bounds.startx
   rect.height = verticalPos - bounds.starty
   drawRect(g, rect)
diff --git a/src/themes/sequence.scss b/src/themes/sequence.scss
index 1fc9622c7..572bcc07b 100644
--- a/src/themes/sequence.scss
+++ b/src/themes/sequence.scss
@@ -74,7 +74,17 @@ text.actor {
   font-size: 14px;
 }
 
-.activation {
+.activation0 {
+  fill: $activationBkgColor;
+  stroke: $activationBorderColor;
+}
+
+.activation1 { 
+  fill: $activationBkgColor;
+  stroke: $activationBorderColor;
+}
+
+.activation2 {
   fill: $activationBkgColor;
   stroke: $activationBorderColor;
 }