diff --git a/gui/builtinViews/fittingView.py b/gui/builtinViews/fittingView.py
index 508d58f2a..4e2a6da37 100644
--- a/gui/builtinViews/fittingView.py
+++ b/gui/builtinViews/fittingView.py
@@ -717,7 +717,8 @@ class FittingView(d.Display):
                 mainMod = self.mods[self.GetItemData(row)]
             except IndexError:
                 return
-
+            if mainMod.isEmpty:
+                return
             fitID = self.mainFrame.getActiveFit()
             fit = Fit.getInstance().getFit(fitID)
             if mainMod not in fit.modules: