--- src/usr.bin/make/str.c	2005/01/06 13:18:58	1.16
+++ src/usr.bin/make/str.c	2005/01/24 05:12:58	1.17
@@ -422,5 +422,5 @@ Str_SYSVSubst(Buffer *buf, const char *p
     Buf_AddBytes(buf, len, (const Byte *)src);
 
     /* append the rest */
-    Buf_AddBytes(buf, strlen(pat), (const Byte *)pat);
+    Buf_Append(buf, pat);
 }