1 files changed, 1 insertions, 1 deletions

diff --git a/lib/regex_internal.h b/lib/regex_internal.h
index 9a0c2ed97c8..0c72e3f7b01 100644
--- a/lib/regex_internal.h
+++ b/lib/regex_internal.h
@@ -335,7 +335,7 @@ typedef struct
     Idx idx;                    /* for BACK_REF */
     re_context_type ctx_type;   /* for ANCHOR */
   } opr;
-#if __GNUC__ >= 2 && !defined __STRICT_ANSI__
+#if (__GNUC__ >= 2 || defined __clang__) && !defined __STRICT_ANSI__
   re_token_type_t type : 8;
 #else
   re_token_type_t type;