diff --git a/dom/html/HTMLInputElement.cpp b/dom/html/HTMLInputElement.cpp
index d09bc31030..e9086933b7 100644
--- a/dom/html/HTMLInputElement.cpp
+++ b/dom/html/HTMLInputElement.cpp
@@ -3546,7 +3546,8 @@ HTMLInputElement::Focus(ErrorResult& aError)
     nsNumberControlFrame* numberControlFrame =
       do_QueryFrame(GetPrimaryFrame());
     if (numberControlFrame) {
-      HTMLInputElement* textControl = numberControlFrame->GetAnonTextControl();
+      RefPtr<HTMLInputElement> textControl =
+        numberControlFrame->GetAnonTextControl();
       if (textControl) {
         textControl->Focus(aError);
         return;