1 files changed, 2 insertions, 1 deletions
diff --git a/parse.y b/parse.y
index 55168adfd1..dc56a4fe2d 100644
--- a/parse.y
+++ b/parse.y
@@ -8373,7 +8373,8 @@ rb_symname_p(const char *name)
 	break;
 
       case '[':
-	if (*++m == ']' && *++m == '=') ++m;
+	if (*++m != ']') return Qfalse;
+	if (*++m == '=') ++m;
 	break;
 
       default: