diff --git a/server/git/webhook.go b/server/git/webhook.go
index 285ea28..6ab18a1 100644
--- a/server/git/webhook.go
+++ b/server/git/webhook.go
@@ -283,12 +283,12 @@
 
 // ExtractTaskID extracts task ID from branch name like "solution/[task-id]-title" or "subtasks/[task-id]-title"
 func ExtractTaskID(branchName string) (string, error) {
-	// Match patterns like "solution/[task-123]-title", "subtasks/[task-456]-description", etc.
-	re := regexp.MustCompile(`^(?:solution|subtasks)/\[([^\]]+)\]-.+$`)
+	// Match patterns like "solution/(task-123)-title", "subtasks/(task-456)-description", etc.
+	re := regexp.MustCompile(`^(?:solution|subtasks)/\(([^)]+)\)-.+$`)
 	matches := re.FindStringSubmatch(branchName)
 
 	if len(matches) != 2 {
-		return "", fmt.Errorf("branch name '%s' does not match expected pattern (solution/[task-id]-title or subtasks/[task-id]-title)", branchName)
+		return "", fmt.Errorf("branch name '%s' does not match expected pattern (solution/(task-id)-title or subtasks/(task-id)-title)", branchName)
 	}
 
 	return matches[1], nil