1 files changed, 7 insertions, 2 deletions
diff --git a/source/blender/editors/space_buttons/space_buttons.c b/source/blender/editors/space_buttons/space_buttons.c
index 187334a5c34..2cc9679dd3f 100644
--- a/source/blender/editors/space_buttons/space_buttons.c
+++ b/source/blender/editors/space_buttons/space_buttons.c
@@ -30,11 +30,10 @@
 #include "BLI_utildefines.h"
 
 #include "BKE_context.h"
+#include "BKE_gpencil_modifier.h" /* Types for registering panels. */
 #include "BKE_modifier.h"
 #include "BKE_screen.h"
 
-#include "DNA_modifier_types.h"
-
 #include "ED_screen.h"
 #include "ED_space_api.h"
 #include "ED_view3d.h" /* To draw toolbar UI. */
@@ -643,6 +642,12 @@ void ED_spacetype_buttons(void)
       mti->panelRegister(art);
     }
   }
+  for (int i = 0; i < NUM_GREASEPENCIL_MODIFIER_TYPES; i++) {
+    const GpencilModifierTypeInfo *mti = BKE_gpencil_modifier_get_info(i);
+    if (mti != NULL && mti->panelRegister != NULL) {
+      mti->panelRegister(art);
+    }
+  }
 
   /* regions: header */
   art = MEM_callocN(sizeof(ARegionType), "spacetype buttons region");