diff --git a/cJSON.c b/cJSON.c
index 88c2d95b..71011806 100644
--- a/cJSON.c
+++ b/cJSON.c
@@ -2066,7 +2066,7 @@ CJSON_PUBLIC(cJSON_bool) cJSON_AddItemToArray(cJSON *array, cJSON *item)
 #if defined(__clang__) || (defined(__GNUC__)  && ((__GNUC__ > 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ > 5))))
     #pragma GCC diagnostic push
 #endif
-#ifdef __GNUC__
+#if defined(__clang__) || defined(__GNUC__)
 #pragma GCC diagnostic ignored "-Wcast-qual"
 #endif
 /* helper function to cast away const */