diff --git a/lib/nghttp2_int.h b/lib/nghttp2_int.h
index 3d77eaab..60070176 100644
--- a/lib/nghttp2_int.h
+++ b/lib/nghttp2_int.h
@@ -51,7 +51,7 @@ typedef enum {
    * Invalid HTTP header field was received but it can be treated as
    * if it was not received because of compatibility reasons.
    */
-  NGHTTP2_ERR_IGN_HTTP_HEADER = -105,
+  NGHTTP2_ERR_IGN_HTTP_HEADER = -105
 } nghttp2_internal_error;
 
 #endif /* NGHTTP2_INT_H */