diff --git a/core/java/android/view/ViewRootImpl.java b/core/java/android/view/ViewRootImpl.java
index 4dc1009fe4468..03c97bd9b00cb 100644
--- a/core/java/android/view/ViewRootImpl.java
+++ b/core/java/android/view/ViewRootImpl.java
@@ -6039,7 +6039,8 @@ public final class ViewRootImpl implements ViewParent,
                 return true;
             }
             return mEvent instanceof MotionEvent
-                    && mEvent.isFromSource(InputDevice.SOURCE_CLASS_POINTER);
+                    && (mEvent.isFromSource(InputDevice.SOURCE_CLASS_POINTER)
+                        || mEvent.isFromSource(InputDevice.SOURCE_ROTARY_ENCODER));
         }
 
         public boolean shouldSendToSynthesizer() {