diff --git a/tests/baselines/reference/api/tsserverlibrary.d.ts b/tests/baselines/reference/api/tsserverlibrary.d.ts
index 6c3e0c9b7a1..5ea9484aaf8 100644
--- a/tests/baselines/reference/api/tsserverlibrary.d.ts
+++ b/tests/baselines/reference/api/tsserverlibrary.d.ts
@@ -8154,7 +8154,7 @@ declare namespace ts.server {
         private safelist;
         private legacySafelist;
         private pendingProjectUpdates;
-        readonly currentDirectory: string;
+        readonly currentDirectory: NormalizedPath;
         readonly toCanonicalFileName: (f: string) => string;
         readonly host: ServerHost;
         readonly logger: Logger;