diff --git a/source/blender/editors/gpencil_legacy/gpencil_edit.cc b/source/blender/editors/gpencil_legacy/gpencil_edit.cc
index b18cbee669c..4b36accfa1f 100644
--- a/source/blender/editors/gpencil_legacy/gpencil_edit.cc
+++ b/source/blender/editors/gpencil_legacy/gpencil_edit.cc
@@ -465,7 +465,7 @@ static bool gpencil_sculptmode_toggle_poll(bContext *C)
   return false;
 }
 
-bool gpencil_sculpt_poll_view3d(bContext *C)
+static bool gpencil_sculpt_poll_view3d(bContext *C)
 {
   const Object *ob = CTX_data_active_object(C);
   if (ob == nullptr || (ob->mode & OB_MODE_SCULPT_GPENCIL_LEGACY) == 0) {