diff --git a/src/generic/preferencesg.cpp b/src/generic/preferencesg.cpp
index 97236af305..45b311de64 100644
--- a/src/generic/preferencesg.cpp
+++ b/src/generic/preferencesg.cpp
@@ -81,6 +81,11 @@ public:
         m_notebook->ChangeSelection(page);
     }
 
+    bool ShouldPreventAppExit() const
+    {
+        return false;
+    }
+
 private:
     wxNotebook *m_notebook;
 };