diff --git a/source/blender/makesrna/intern/rna_wm.cc b/source/blender/makesrna/intern/rna_wm.cc
index a7d881a7925..062d237f7ae 100644
--- a/source/blender/makesrna/intern/rna_wm.cc
+++ b/source/blender/makesrna/intern/rna_wm.cc
@@ -1733,7 +1733,7 @@ static StructRNA *rna_MacroOperator_register(Main *bmain,
   const char *error_prefix = "Registering operator macro class:";
   wmOperatorType dummy_ot = {nullptr};
   wmOperator dummy_operator = {nullptr};
-  bool have_function[4];
+  bool have_function[2];
 
   struct {
     char idname[OP_MAX_TYPENAME];
@@ -1837,7 +1837,7 @@ static StructRNA *rna_MacroOperator_register(Main *bmain,
   dummy_ot.rna_ext.free = free;
 
   dummy_ot.pyop_poll = (have_function[0]) ? rna_operator_poll_cb : nullptr;
-  dummy_ot.ui = (have_function[3]) ? rna_operator_draw_cb : nullptr;
+  dummy_ot.ui = (have_function[1]) ? rna_operator_draw_cb : nullptr;
 
   WM_operatortype_append_macro_ptr(BPY_RNA_operator_macro_wrapper, (void *)&dummy_ot);