diff --git a/src/jsTyping/types.ts b/src/jsTyping/types.ts
index 6da6200c2c0..34f69d0d624 100644
--- a/src/jsTyping/types.ts
+++ b/src/jsTyping/types.ts
@@ -51,6 +51,7 @@ declare namespace ts.server {
     export interface InitializationFailedResponse extends TypingInstallerResponse {
         readonly kind: EventInitializationFailed;
         readonly message: string;
+        readonly stack?: string;
     }
 
     export interface ProjectResponse extends TypingInstallerResponse {
diff --git a/src/typingsInstaller/nodeTypingsInstaller.ts b/src/typingsInstaller/nodeTypingsInstaller.ts
index ab050fd60bf..a59e8ec4b9d 100644
--- a/src/typingsInstaller/nodeTypingsInstaller.ts
+++ b/src/typingsInstaller/nodeTypingsInstaller.ts
@@ -122,7 +122,8 @@ namespace ts.server.typingsInstaller {
                 // store error info to report it later when it is known that server is already listening to events from typings installer
                 this.delayedInitializationError = {
                     kind: "event::initializationFailed",
-                    message: (<Error>e).message
+                    message: (<Error>e).message,
+                    stack: (<Error>e).stack,
                 };
             }
 
diff --git a/tests/baselines/reference/api/tsserverlibrary.d.ts b/tests/baselines/reference/api/tsserverlibrary.d.ts
index 27bd23efaa3..22d6234d13d 100644
--- a/tests/baselines/reference/api/tsserverlibrary.d.ts
+++ b/tests/baselines/reference/api/tsserverlibrary.d.ts
@@ -4960,6 +4960,7 @@ declare namespace ts.server {
     interface InitializationFailedResponse extends TypingInstallerResponse {
         readonly kind: EventInitializationFailed;
         readonly message: string;
+        readonly stack?: string;
     }
     interface ProjectResponse extends TypingInstallerResponse {
         readonly projectName: string;
diff --git a/tests/baselines/reference/api/typescript.d.ts b/tests/baselines/reference/api/typescript.d.ts
index 068380e2ad5..4e4746560ed 100644
--- a/tests/baselines/reference/api/typescript.d.ts
+++ b/tests/baselines/reference/api/typescript.d.ts
@@ -4960,6 +4960,7 @@ declare namespace ts.server {
     interface InitializationFailedResponse extends TypingInstallerResponse {
         readonly kind: EventInitializationFailed;
         readonly message: string;
+        readonly stack?: string;
     }
     interface ProjectResponse extends TypingInstallerResponse {
         readonly projectName: string;