diff --git a/src/GUI/dialog.cxx b/src/GUI/dialog.cxx
index 9db2e77eb..f4bc829a3 100644
--- a/src/GUI/dialog.cxx
+++ b/src/GUI/dialog.cxx
@@ -232,7 +232,7 @@ int fgPopup::checkHit(int button, int updown, int x, int y)
         };
 
         _resizing = 0;
-        if (!global_drag) {
+        if (!global_drag && _resizable) {
             int hmargin = global_resize ? _dlgW / 3 : 10;
             int vmargin = global_resize ? _dlgH / 3 : 10;