source/blender/python/intern/bpy_rna_anim.c

@@ -47,6 +47,7 @@
 #include "../generic/py_capi_rna.h"
 #include "../generic/python_utildefines.h"
 
+#include "DEG_depsgraph.h"
 #include "DEG_depsgraph_build.h"
 
 /* for keyframes and drivers */
@@ -588,6 +589,7 @@ PyObject *pyrna_struct_driver_add(BPy_StructRNA *self, PyObject *args)
 
     bContext *context = BPY_context_get();
     WM_event_add_notifier(BPY_context_get(), NC_ANIMATION | ND_FCURVES_ORDER, NULL);
+    DEG_id_tag_update(id, ID_RECALC_COPY_ON_WRITE);
     DEG_relations_tag_update(CTX_data_main(context));
   }
   else {