diff --git a/mozilla/widget/src/gtk/nsLookAndFeel.cpp b/mozilla/widget/src/gtk/nsLookAndFeel.cpp
index 1f467339732..0607d390b41 100644
--- a/mozilla/widget/src/gtk/nsLookAndFeel.cpp
+++ b/mozilla/widget/src/gtk/nsLookAndFeel.cpp
@@ -307,7 +307,7 @@ NS_IMETHODIMP nsLookAndFeel::GetMetric(const nsMetricID aID, PRInt32 & aMetric)
     // we want XUL popups to be able to overlap the task bar.
     aMetric = 1;
     break;
-   case eMetric_DisplayFullWindow:
+   case eMetric_DragFullWindow:
     aMetric = 1;
     break;
   default:
diff --git a/mozilla/widget/src/mac/nsLookAndFeel.cpp b/mozilla/widget/src/mac/nsLookAndFeel.cpp
index e4b4a9a0c13..e8d82c932ff 100644
--- a/mozilla/widget/src/mac/nsLookAndFeel.cpp
+++ b/mozilla/widget/src/mac/nsLookAndFeel.cpp
@@ -352,7 +352,7 @@ NS_IMETHODIMP nsLookAndFeel::GetMetric(const nsMetricID aID, PRInt32 & aMetric)
         // xul popups are not allowed to overlap the menubar.
         aMetric = 0;
         break;
-    case eMetric_DisplayFullWindow:
+    case eMetric_DragFullWindow:
         aMetric = 0;
         break;
     default: