diff --git a/smbutil.c b/smbutil.c
index b38d73a..fc9b3cc 100644
--- a/smbutil.c
+++ b/smbutil.c
@@ -237,6 +237,7 @@
 	    return(-1);	/* name goes past the end of the buffer */
 	ND_TCHECK2(*s, 1);
 	s += (*s) + 1;
+	ND_TCHECK2(*s, 1);
     }
     return(PTR_DIFF(s, s0) + 1);