diff --git a/include/util.h b/include/util.h
index e93c8a9d8..3aa0777e0 100644
--- a/include/util.h
+++ b/include/util.h
@@ -18,6 +18,7 @@
 #define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0]))
 #define MIN(a,b) (((a)<(b))?(a):(b))
 #define MAX(a,b) (((a)>(b))?(a):(b))
+#define PASTE(a, b) a ## b
 
 #ifndef __ASSEMBLER__