diff --git a/mozilla/content/html/content/src/nsHTMLSelectElement.cpp b/mozilla/content/html/content/src/nsHTMLSelectElement.cpp
index fdbde7d4100..de0d1e42dbf 100644
--- a/mozilla/content/html/content/src/nsHTMLSelectElement.cpp
+++ b/mozilla/content/html/content/src/nsHTMLSelectElement.cpp
@@ -726,7 +726,7 @@ nsHTMLSelectElement::DoneAddingContent()
       result = selectFrame->DoneAddingContent();
     }
   }
-  return result;
+  return NS_OK;
 }
 
 NS_IMETHODIMP
diff --git a/mozilla/layout/html/content/src/nsHTMLSelectElement.cpp b/mozilla/layout/html/content/src/nsHTMLSelectElement.cpp
index fdbde7d4100..de0d1e42dbf 100644
--- a/mozilla/layout/html/content/src/nsHTMLSelectElement.cpp
+++ b/mozilla/layout/html/content/src/nsHTMLSelectElement.cpp
@@ -726,7 +726,7 @@ nsHTMLSelectElement::DoneAddingContent()
       result = selectFrame->DoneAddingContent();
     }
   }
-  return result;
+  return NS_OK;
 }
 
 NS_IMETHODIMP