diff --git a/src/ui/widget/ink-spinscale.cpp b/src/ui/widget/ink-spinscale.cpp
index 6fd79c9afa12cf6f51ae88d81ca61f273d9a0ca5..12928ea607e0faccc343541379c465893bf59f22 100644
--- a/src/ui/widget/ink-spinscale.cpp
+++ b/src/ui/widget/ink-spinscale.cpp
@@ -147,7 +147,8 @@ InkScale::on_motion_notify_event(GdkEventMotion* motion_event) {
     // Can't see how to do this the C++ way since GdkEventMotion
     // is a structure with a C window member. There is a gdkmm
     // wrapping function for Gdk::EventMotion but only in unstable.
-    gdk_window_set_cursor( motion_event->window, cursor->gobj() );
+    if (cursor)
+      gdk_window_set_cursor( motion_event->window, cursor->gobj() );
   }
 
   return false;