diff --git a/lib/libc/gen/fts-compat.c b/lib/libc/gen/fts-compat.c
index 938dcb58c82a..73832e59ff18 100644
--- a/lib/libc/gen/fts-compat.c
+++ b/lib/libc/gen/fts-compat.c
@@ -747,7 +747,7 @@ mem1:				saved_errno = errno;
 	 * state.
 	 */
 	if (ISSET(FTS_NOCHDIR)) {
-		if (cp - 1 > sp->fts_path)
+		if (len == sp->fts_pathlen)
 			--cp;
 		*cp = '\0';
 	}
diff --git a/lib/libc/gen/fts.c b/lib/libc/gen/fts.c
index 938dcb58c82a..73832e59ff18 100644
--- a/lib/libc/gen/fts.c
+++ b/lib/libc/gen/fts.c
@@ -747,7 +747,7 @@ mem1:				saved_errno = errno;
 	 * state.
 	 */
 	if (ISSET(FTS_NOCHDIR)) {
-		if (cp - 1 > sp->fts_path)
+		if (len == sp->fts_pathlen)
 			--cp;
 		*cp = '\0';
 	}