diff --git a/ext/json/vendor/jeaiii-ltoa.h b/ext/json/vendor/jeaiii-ltoa.h
index c8e2a1288c..1a1337ad7d 100644
--- a/ext/json/vendor/jeaiii-ltoa.h
+++ b/ext/json/vendor/jeaiii-ltoa.h
@@ -35,11 +35,13 @@ SOFTWARE.
 typedef uint_fast32_t u32_t;
 typedef uint_fast64_t u64_t;
 
+#if defined __clang__
 #pragma clang diagnostic push
 #pragma clang diagnostic ignored "-Wshorten-64-to-32"
-
+#elif defined __GNUC__
 #pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Wmissing-braces"
+#endif
 
 #define u32(x) ((u32_t)(x))
 #define u64(x) ((u64_t)(x))
@@ -270,8 +272,10 @@ jeaiii_ultoa(char *b, u64_t n)
 #undef u64
 #undef COPY
 
+#if defined __clang__
 #pragma clang diagnostic pop
+#elif defined __GNUC__
 #pragma GCC diagnostic pop
+#endif
 
 #endif // JEAIII_TO_TEXT_H_
-