diff --git a/internal/lsp/manager.go b/internal/lsp/manager.go
index f436b3cb3433d9c7e6c5ef28a3cff8bfa17f447f..5e238fda296a5e28034482a3a0b163ae1ae04d6c 100644
--- a/internal/lsp/manager.go
+++ b/internal/lsp/manager.go
@@ -303,8 +303,10 @@ func hasRootMarkers(dir string, markers []string) bool {
 		return true
 	}
 	for _, pattern := range markers {
-		// Use fsext.GlobWithDoubleStar to find matches
-		matches, _, err := fsext.Glob(pattern, dir, 1)
+		// Use filepath.Glob for a non-recursive check in the root
+		// directory. This avoids walking the entire tree (which is
+		// catastrophic in large monorepos with node_modules, etc.).
+		matches, err := filepath.Glob(filepath.Join(dir, pattern))
 		if err == nil && len(matches) > 0 {
 			return true
 		}