diff --git a/mozilla/layout/forms/nsTextControlFrame.cpp b/mozilla/layout/forms/nsTextControlFrame.cpp
index c845d4d9ba6..f0e1ddeffa6 100644
--- a/mozilla/layout/forms/nsTextControlFrame.cpp
+++ b/mozilla/layout/forms/nsTextControlFrame.cpp
@@ -540,6 +540,8 @@ nsTextInputListener::EditAction()
 nsresult
 nsTextInputListener::UpdateTextInputCommands(const nsAString& commandsToUpdate)
 {
+  NS_ENSURE_STATE(mFrame);
+
   nsIContent* content = mFrame->GetContent();
   NS_ENSURE_TRUE(content, NS_ERROR_FAILURE);