diff --git a/tests/ConstStringTests.cpp b/tests/ConstStringTests.cpp
index 62257a9..e155082 100644
--- a/tests/ConstStringTests.cpp
+++ b/tests/ConstStringTests.cpp
@@ -42,7 +42,9 @@ TEST_CASE("Use case insensitive const string in switch case", "[Utilities]") {
     }
 }
 
+#ifndef WINDOWS
 __attribute__((optnone))
+#endif
 static Arbutils::CaseInsensitiveConstString TestCreateConstString(){
     char originalVal [7];
     originalVal[0] = 'f';