Index: kernel/generic/include/str.h
===================================================================
--- kernel/generic/include/str.h	(revision 36b0490e0aa22bd717934559549ed926a2a17f61)
+++ kernel/generic/include/str.h	(revision 83b2e73cff9600732dbb3989f0c4ace16146a3ff)
@@ -62,5 +62,5 @@
 
 /**< Maximum size of a string containing cnt characters */
-#define STR_BOUNDS(cnt)  (cnt << 2)
+#define STR_BOUNDS(cnt)  ((cnt) << 2)
 
 extern wchar_t str_decode(const char *str, size_t *offset, size_t sz);