diff --git a/lib/tsserver.js b/lib/tsserver.js
index 2a22388b2be..68bceb54bb9 100644
--- a/lib/tsserver.js
+++ b/lib/tsserver.js
@@ -53200,7 +53200,7 @@ var ts;
             return this.shimHost.getCurrentDirectory();
         };
         LanguageServiceShimHostAdapter.prototype.getDirectories = function (path) {
-            return this.shimHost.getDirectories(path);
+            return JSON.parse(this.shimHost.getDirectories(path));
         };
         LanguageServiceShimHostAdapter.prototype.getDefaultLibFileName = function (options) {
             return this.shimHost.getDefaultLibFileName(JSON.stringify(options));
diff --git a/lib/tsserverlibrary.d.ts b/lib/tsserverlibrary.d.ts
index df3e95e0788..1e0cefac78b 100644
--- a/lib/tsserverlibrary.d.ts
+++ b/lib/tsserverlibrary.d.ts
@@ -8728,7 +8728,7 @@ declare namespace ts {
         getLocalizedDiagnosticMessages(): string;
         getCancellationToken(): HostCancellationToken;
         getCurrentDirectory(): string;
-        getDirectories(path: string): string[];
+        getDirectories(path: string): string;
         getDefaultLibFileName(options: string): string;
         getNewLine?(): string;
         getProjectVersion?(): string;
diff --git a/lib/tsserverlibrary.js b/lib/tsserverlibrary.js
index d60d00e66b9..f0bfd0f4f3e 100644
--- a/lib/tsserverlibrary.js
+++ b/lib/tsserverlibrary.js
@@ -52966,7 +52966,7 @@ var ts;
             return this.shimHost.getCurrentDirectory();
         };
         LanguageServiceShimHostAdapter.prototype.getDirectories = function (path) {
-            return this.shimHost.getDirectories(path);
+            return JSON.parse(this.shimHost.getDirectories(path));
         };
         LanguageServiceShimHostAdapter.prototype.getDefaultLibFileName = function (options) {
             return this.shimHost.getDefaultLibFileName(JSON.stringify(options));
diff --git a/lib/typescript.js b/lib/typescript.js
index 5d8cc8951a0..3b28d8f0e67 100644
--- a/lib/typescript.js
+++ b/lib/typescript.js
@@ -59705,7 +59705,7 @@ var ts;
             return this.shimHost.getCurrentDirectory();
         };
         LanguageServiceShimHostAdapter.prototype.getDirectories = function (path) {
-            return this.shimHost.getDirectories(path);
+            return JSON.parse(this.shimHost.getDirectories(path));
         };
         LanguageServiceShimHostAdapter.prototype.getDefaultLibFileName = function (options) {
             return this.shimHost.getDefaultLibFileName(JSON.stringify(options));
diff --git a/lib/typescriptServices.js b/lib/typescriptServices.js
index 5d8cc8951a0..3b28d8f0e67 100644
--- a/lib/typescriptServices.js
+++ b/lib/typescriptServices.js
@@ -59705,7 +59705,7 @@ var ts;
             return this.shimHost.getCurrentDirectory();
         };
         LanguageServiceShimHostAdapter.prototype.getDirectories = function (path) {
-            return this.shimHost.getDirectories(path);
+            return JSON.parse(this.shimHost.getDirectories(path));
         };
         LanguageServiceShimHostAdapter.prototype.getDefaultLibFileName = function (options) {
             return this.shimHost.getDefaultLibFileName(JSON.stringify(options));