diff --git a/src/Mod/Sketcher/Gui/Command.cpp b/src/Mod/Sketcher/Gui/Command.cpp
index 8cf9365a3..92fa7ecef 100644
--- a/src/Mod/Sketcher/Gui/Command.cpp
+++ b/src/Mod/Sketcher/Gui/Command.cpp
@@ -75,6 +75,8 @@ namespace SketcherGui {
             this->setMessage(ErrMsg);
         }
 
+        virtual ~ExceptionWrongInput() throw() {}
+
         QString ErrMsg;
     };