diff --git a/src/cw/fragman.h b/src/cw/fragman.h
index 6bfa0d25..67f3c7e7 100644
--- a/src/cw/fragman.h
+++ b/src/cw/fragman.h
@@ -35,7 +35,7 @@
 
 #ifndef FRAG_MAXSIZE
 	/** maximaum size of a fragment */
-	#define FRAG_MAXSIZE 65536+4
+	#define FRAG_MAXSIZE (65536+4)
 #endif
 
 #ifndef FRAG_MAXIDS