--- libs/gtkmm2ext/motionfeedback.cc   (revision 11597)
+++ libs/gtkmm2ext/motionfeedback.cc   (new wersion)
@@ -184,6 +184,10 @@
                         /* shift click back to the default */
                         _controllable->set_value (default_value);
                         return true;
+                } else if (Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)){
+                        /* ctrl click back to the min value*/
+                        _controllable->set_value (_controllable->lower());
+                        return true;
                 }
                break;
 
@@ -194,6 +198,11 @@
                                        (GTK_WIDGET(pixwin.gobj()));
                        }
                }
+                if (Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)){
+                        /* ctrl click back to the min value*/
+                        _controllable->set_value (_controllable->upper());
+                        return true;
+                }
                break;
        }