diff --git a/utils.c b/utils.c
index 5b983375..c360445a 100644
--- a/utils.c
+++ b/utils.c
@@ -2078,7 +2078,8 @@ int find_mount_root(const char *path, char **mount_root)
 
 	while ((ent = getmntent(mnttab))) {
 		len = strlen(ent->mnt_dir);
-		if (strncmp(ent->mnt_dir, path, len) == 0) {
+		if (strncmp(ent->mnt_dir, path, len) == 0 &&
+		    (path[len] == '/' || path[len] == '\0')) {
 			/* match found and use the latest match */
 			if (longest_matchlen <= len) {
 				free(longest_match);