diff --git a/include/gsl/assert b/include/gsl/assert
index 3420ecbf..a08424ca 100644
--- a/include/gsl/assert
+++ b/include/gsl/assert
@@ -51,7 +51,7 @@
 // Visual Studio versions after 2022 (_MSC_VER > 1944) support the justification message.
 #define GSL_SUPPRESS(x) [[gsl::suppress(#x)]]
 #elif defined(_MSC_VER) && !defined(__INTEL_COMPILER) && !defined(__NVCC__)
-#define GSL_SUPPRESS(x) [[gsl::suppress(#x)]]
+#define GSL_SUPPRESS(x) [[gsl::suppress(x)]]
 #else
 #define GSL_SUPPRESS(x)
 #endif // defined(__clang__)