diff --git a/py/compile.c b/py/compile.c
index 3b6a264..86ec4d3 100644
--- a/py/compile.c
+++ b/py/compile.c
@@ -2308,6 +2308,10 @@
             }
         } else {
             normal_argument:
+            if (star_flags) {
+                compile_syntax_error(comp, args[i], "non-keyword arg after */**");
+                return;
+            }
             if (n_keyword > 0) {
                 compile_syntax_error(comp, args[i], "non-keyword arg after keyword arg");
                 return;