diff --git a/gtk/gtkwidget.c b/gtk/gtkwidget.c
index 8f50575983..25c2e8c55c 100644
--- a/gtk/gtkwidget.c
+++ b/gtk/gtkwidget.c
@@ -11254,19 +11254,21 @@ gtk_widget_propagate_state (GtkWidget    *widget,
 
       if (GTK_IS_CONTAINER (widget))
         {
-          data->parent_sensitive = gtk_widget_is_sensitive (widget);
+          GtkStateData child_data = *data;
+
+          child_data.parent_sensitive = gtk_widget_is_sensitive (widget);
 
           /* Do not propagate focused state further */
-          data->flags &= ~GTK_STATE_FLAG_FOCUSED;
+          child_data.flags &= ~GTK_STATE_FLAG_FOCUSED;
 
-          if (data->use_forall)
+          if (child_data.use_forall)
             gtk_container_forall (GTK_CONTAINER (widget),
                                   (GtkCallback) gtk_widget_propagate_state,
-                                  data);
+                                  &child_data);
           else
             gtk_container_foreach (GTK_CONTAINER (widget),
                                    (GtkCallback) gtk_widget_propagate_state,
-                                   data);
+                                   &child_data);
         }
 
       /* Trigger state change transitions for the widget */