diff --git a/mkfs.c b/mkfs.c
index d664254..5ed44cc 100644
--- a/mkfs.c
+++ b/mkfs.c
@@ -302,12 +302,6 @@ static char *parse_label(char *input)
 			BTRFS_LABEL_SIZE);
 		exit(1);
 	}
-	for (i = 0; i < len; i++) {
-		if (input[i] == '/' || input[i] == '\\') {
-			fprintf(stderr, "invalid label %s\n", input);
-			exit(1);
-		}
-	}
 	return strdup(input);
 }