diff --git a/java/src/com/android/inputmethod/keyboard/PointerTracker.java b/java/src/com/android/inputmethod/keyboard/PointerTracker.java
index c3cf49f..73eab76 100644
--- a/java/src/com/android/inputmethod/keyboard/PointerTracker.java
+++ b/java/src/com/android/inputmethod/keyboard/PointerTracker.java
@@ -721,6 +721,9 @@
         if (key != null) {
             updateBatchInput(eventTime);
         }
+        if (mIsTrackingCanceled) {
+            return;
+        }
         mDrawingProxy.showGesturePreviewTrail(this, isOldestTrackerInQueue(this));
     }
 
@@ -759,6 +762,9 @@
                 }
             }
         }
+        if (mIsTrackingCanceled) {
+            return;
+        }
         mDrawingProxy.showGesturePreviewTrail(this, isOldestTrackerInQueue(this));
     }