diff --git a/src/gtk/assertdlg_gtk.cpp b/src/gtk/assertdlg_gtk.cpp
index 8f24ef6746..4eb8a5d906 100644
--- a/src/gtk/assertdlg_gtk.cpp
+++ b/src/gtk/assertdlg_gtk.cpp
@@ -116,6 +116,7 @@ void gtk_assert_dialog_process_backtrace (GtkAssertDialog *dlg)
     GdkDisplay* display = gdk_window_get_display(parent);
     GdkCursor* cur = gdk_cursor_new_for_display(display, GDK_WATCH);
     gdk_window_set_cursor (parent, cur);
+    g_object_unref(cur);
     gdk_flush ();
 
     (*dlg->callback)(dlg->userdata);
diff --git a/src/gtk/minifram.cpp b/src/gtk/minifram.cpp
index 0c28c9f40e..98b5d94faf 100644
--- a/src/gtk/minifram.cpp
+++ b/src/gtk/minifram.cpp
@@ -288,6 +288,8 @@ gtk_window_motion_notify_callback( GtkWidget *widget, GdkEventMotion *gdk_event,
                 cursor = gdk_cursor_new_for_display(display, GDK_BOTTOM_RIGHT_CORNER);
             }
             gdk_window_set_cursor(window, cursor);
+            if (cursor)
+                g_object_unref(cursor);
         }
         return TRUE;
     }