diff --git a/goldlib/gall/gctype.h b/goldlib/gall/gctype.h
index 8e6842f..0df3f5a 100644
--- a/goldlib/gall/gctype.h
+++ b/goldlib/gall/gctype.h
@@ -82,7 +82,7 @@ extern __inline__ int isxalnum(char c) {
  */
 #undef iscntrl
 # define iscntrl(c)	((c < 0x7f) ? __isctype((c), _IScntrl) : 0)
-#endif //__BEOS__
+#endif /* __BEOS__ */
 
 /*  --------------------------------------------------------------- */