1 files changed, 2 insertions, 2 deletions
diff --git a/source/blender/blenkernel/intern/undo_system.c b/source/blender/blenkernel/intern/undo_system.c
index 377802f1af7..14dd286a315 100644
--- a/source/blender/blenkernel/intern/undo_system.c
+++ b/source/blender/blenkernel/intern/undo_system.c
@@ -368,10 +368,10 @@ void BKE_undosys_stack_init_from_context(UndoStack *ustack, bContext *C)
 }
 
 /* name optional */
-bool BKE_undosys_stack_has_undo(UndoStack *ustack, const char *name)
+bool BKE_undosys_stack_has_undo(const UndoStack *ustack, const char *name)
 {
   if (name) {
-    UndoStep *us = BLI_rfindstring(&ustack->steps, name, offsetof(UndoStep, name));
+    const UndoStep *us = BLI_rfindstring(&ustack->steps, name, offsetof(UndoStep, name));
     return us && us->prev;
   }