diff --git a/scripts/startup/bl_ui/properties_data_modifier.py b/scripts/startup/bl_ui/properties_data_modifier.py
index 29f1c90c0e3..0bbd7d0854c 100644
--- a/scripts/startup/bl_ui/properties_data_modifier.py
+++ b/scripts/startup/bl_ui/properties_data_modifier.py
@@ -150,7 +150,7 @@ class OBJECT_MT_modifier_add_generate(ModifierAddMenu, Menu):
         if ob_type == 'MESH':
             self.operator_modifier_add(layout, 'WIREFRAME')
         if ob_type == 'GREASEPENCIL':
-            self.operator_modifier_add(layout, 'GREASEPENCIL_SUBDIV')
+            self.operator_modifier_add(layout, 'GREASE_PENCIL_SUBDIV')
         layout.template_modifier_asset_menu_items(catalog_path=self.bl_label)
 
 
@@ -188,7 +188,7 @@ class OBJECT_MT_modifier_add_deform(ModifierAddMenu, Menu):
         if ob_type == 'VOLUME':
             self.operator_modifier_add(layout, 'VOLUME_DISPLACE')
         if ob_type == 'GREASEPENCIL':
-            self.operator_modifier_add(layout, 'GREASEPENCIL_SMOOTH')
+            self.operator_modifier_add(layout, 'GREASE_PENCIL_SMOOTH')
         layout.template_modifier_asset_menu_items(catalog_path=self.bl_label)
 
 
diff --git a/source/blender/makesrna/intern/rna_modifier.cc b/source/blender/makesrna/intern/rna_modifier.cc
index ea88924c422..917815b0861 100644
--- a/source/blender/makesrna/intern/rna_modifier.cc
+++ b/source/blender/makesrna/intern/rna_modifier.cc
@@ -212,7 +212,7 @@ const EnumPropertyItem rna_enum_object_modifier_type_items[] = {
      "Wireframe",
      "Convert faces into thickened edges"},
     {eModifierType_GreasePencilSubdiv,
-     "GREASEPENCIL_SUBDIV",
+     "GREASE_PENCIL_SUBDIV",
      ICON_MOD_SUBSURF,
      "Subdivide strokes",
      "Grease Pencil subdivide modifier"},
@@ -297,7 +297,7 @@ const EnumPropertyItem rna_enum_object_modifier_type_items[] = {
      "Volume Displace",
      "Deform volume based on noise or other vector fields"}, /* TODO: Use correct icon. */
     {eModifierType_GreasePencilSmooth,
-     "GREASEPENCIL_SMOOTH",
+     "GREASE_PENCIL_SMOOTH",
      ICON_SMOOTHCURVE,
      "Smooth",
      "Smooth grease pencil strokes"},