diff --git a/src/util/util.h b/src/util/util.h
index a9f28e133..bebf17f28 100644
--- a/src/util/util.h
+++ b/src/util/util.h
@@ -194,7 +194,7 @@ bool is_threaded();
 #ifdef _MSC_VER
 #define DO_PRAGMA(x) __pragma(x)
 #else
-#define DO_PRAGMA(x) _Pragma(x)
+#define DO_PRAGMA(x) _Pragma((x))
 #endif
 
 #ifdef _NO_OMP_