diff --git a/commands/partition.c b/commands/partition.c
index 399cb62..b914d51 100755
--- a/commands/partition.c
+++ b/commands/partition.c
@@ -133,23 +133,23 @@
 	partstr = end;
 
 	if (*partstr == '(') {
+		const char *bclose;
+
 		partstr++;
-		end = strchr(partstr, ')');
-		if (!end) {
+		bclose = strchr(partstr, ')');
+		if (!bclose) {
 			printf("could not find matching ')'\n");
 			return -EINVAL;
 		}
-		if (end - partstr >= MAX_DRIVER_NAME) {
+		if (bclose - partstr >= MAX_DRIVER_NAME) {
 			printf("device name too long\n");
 			return -EINVAL;
 		}
 
-		memcpy(part->name, partstr, end - partstr);
-		end++;
+		memcpy(part->name, partstr, bclose - partstr);
+		partstr = bclose + 1;
 	}
 
-	partstr = end;
-
 	if (*partstr == 'r' && *(partstr + 1) == 'o') {
 		part->flags |= PARTITION_READONLY;
 		end = (char *)(partstr + 2);