diff --git a/include/anyany/anyany.hpp b/include/anyany/anyany.hpp
index 845974b..e811380 100644
--- a/include/anyany/anyany.hpp
+++ b/include/anyany/anyany.hpp
@@ -32,7 +32,7 @@
 #if __has_cpp_attribute(no_unique_address)
 #define ANYANY_NO_UNIQUE_ADDRESS [[no_unique_address]]
 #elif __has_cpp_attribute(msvc::no_unique_address)
-#define ANYANY_NO_UNIQUE_ADDRESS msvc::no_unique_address
+#define ANYANY_NO_UNIQUE_ADDRESS [[msvc::no_unique_address]]
 #else
 #define ANYANY_NO_UNIQUE_ADDRESS
 #endif