diff --git a/core/java/android/webkit/WebViewClassic.java b/core/java/android/webkit/WebViewClassic.java
index 7154f95805907..0024fd34a9948 100644
--- a/core/java/android/webkit/WebViewClassic.java
+++ b/core/java/android/webkit/WebViewClassic.java
@@ -8368,8 +8368,10 @@ public final class WebViewClassic implements WebViewProvider, WebViewProvider.Sc
             mListBoxDialog.setOnCancelListener(new DialogInterface.OnCancelListener() {
                 @Override
                 public void onCancel(DialogInterface dialog) {
+                 if (mWebViewCore != null) {
                     mWebViewCore.sendMessage(
                                 EventHub.SINGLE_LISTBOX_CHOICE, -2, 0);
+                    }
                     mListBoxDialog = null;
                 }
             });