diff --git a/services/core/java/com/android/server/am/ActivityStackSupervisor.java b/services/core/java/com/android/server/am/ActivityStackSupervisor.java
index 723c1a633abec..c3bd982ec8a2d 100644
--- a/services/core/java/com/android/server/am/ActivityStackSupervisor.java
+++ b/services/core/java/com/android/server/am/ActivityStackSupervisor.java
@@ -3429,7 +3429,7 @@ public final class ActivityStackSupervisor implements DisplayListener {
             pinnedStack.moveActivityToStack(r);
         }
 
-        resizeStackLocked(PINNED_STACK_ID, bounds, PRESERVE_WINDOWS, true);
+        resizeStackLocked(PINNED_STACK_ID, bounds, !PRESERVE_WINDOWS, true);
 
         // The task might have already been running and its visibility needs to be synchronized with
         // the visibility of the stack / windows.