diff --git a/InCallUI/src/com/android/incallui/CallCardPresenter.java b/InCallUI/src/com/android/incallui/CallCardPresenter.java
index ea39aa6..7749118 100644
--- a/InCallUI/src/com/android/incallui/CallCardPresenter.java
+++ b/InCallUI/src/com/android/incallui/CallCardPresenter.java
@@ -267,6 +267,9 @@
                 ui.isCallSubjectVisible() != shouldShowCallSubject) {
             // primary call has changed
             if (previousPrimary != null) {
+                //clear progess spinner (if any) related to previous primary call
+                maybeShowProgressSpinner(previousPrimary.getState(),
+                        Call.SessionModificationState.NO_REQUEST);
                 CallList.getInstance().removeCallUpdateListener(previousPrimary.getId(), this);
             }
             CallList.getInstance().addCallUpdateListener(mPrimary.getId(), this);
@@ -279,6 +282,9 @@
         }
 
         if (previousPrimary != null && mPrimary == null) {
+            //clear progess spinner (if any) related to previous primary call
+            maybeShowProgressSpinner(previousPrimary.getState(),
+                    Call.SessionModificationState.NO_REQUEST);
             CallList.getInstance().removeCallUpdateListener(previousPrimary.getId(), this);
         }