diff --git a/Analysis/src/Differ.cpp b/Analysis/src/Differ.cpp
index 86dae62d..543f783a 100644
--- a/Analysis/src/Differ.cpp
+++ b/Analysis/src/Differ.cpp
@@ -949,9 +949,11 @@ DifferResult diff(TypeId ty1, TypeId ty2)
 {
 #if defined(__GNUC__) && defined(__linux__)
 #pragma GCC diagnostic push
-#if !defined(__has_warning) || __has_warning("-Wmaybe-uninitialized")
+#if defined(__has_warning)
+#if __has_warning("-Wmaybe-uninitialized")
 #pragma GCC diagnostic ignored "-Wmaybe-uninitialized"
 #endif
+#endif
 #endif
 
     DifferEnvironment differEnv{ty1, ty2, std::nullopt, std::nullopt};