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-rw-r--r--compat/assert.hpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/compat/assert.hpp b/compat/assert.hpp
index b048f547..1f0678a1 100644
--- a/compat/assert.hpp
+++ b/compat/assert.hpp
@@ -1,7 +1,7 @@
#pragma once
//#include "defs.hpp"
#if defined __GNUG__ || defined __CLION_IDE__
-#define fm_FORMAT_ARG(n) __attribute__((format (gnu_printf, (n), (n+1))))
+#define fm_FORMAT_ARG(n) __attribute__((format (gnu_printf, (n), ((n)+1))))
#define fm_FORMAT_ARG_MSVC
#elif defined _MSC_VER
#include <sal.h>