diff --git a/keyboards/ergodox_ez/util/keymap_beautifier/KeymapBeautifier.py b/keyboards/ergodox_ez/util/keymap_beautifier/KeymapBeautifier.py
index b96e4c96cde..6b6f391ce58 100755
--- a/keyboards/ergodox_ez/util/keymap_beautifier/KeymapBeautifier.py
+++ b/keyboards/ergodox_ez/util/keymap_beautifier/KeymapBeautifier.py
@@ -361,6 +361,8 @@ class KeymapBeautifier:
                 args.append(arg.value)
             elif type(arg) is pycparser.c_ast.ID:
                 args.append(arg.name)
+            elif type(arg) is pycparser.c_ast.FuncCall:
+                args.append(self.function_expr(arg))
         return "{}({})".format(name, ",".join(args))
 
     def key_expr(self, raw):