diff --git a/src/client/debugger/extension/configuration/resolvers/attach.ts b/src/client/debugger/extension/configuration/resolvers/attach.ts
index 096317bb065b..bdc72680d861 100644
--- a/src/client/debugger/extension/configuration/resolvers/attach.ts
+++ b/src/client/debugger/extension/configuration/resolvers/attach.ts
@@ -26,7 +26,7 @@ export class AttachConfigurationResolver extends BaseConfigurationResolver<Attac
                 (item, pos) => dbgConfig.debugOptions!.indexOf(item) === pos,
             );
         }
-        if (debugConfiguration.clienOS === undefined) {
+        if (debugConfiguration.clientOS === undefined) {
             debugConfiguration.clientOS = getOSType() === OSType.Windows ? 'windows' : 'unix';
         }
         return debugConfiguration;
@@ -80,7 +80,7 @@ export class AttachConfigurationResolver extends BaseConfigurationResolver<Attac
         if (getOSType() === OSType.Windows && isLocalHost) {
             AttachConfigurationResolver.debugOption(debugOptions, DebugOptions.FixFilePathCase);
         }
-        if (debugConfiguration.clienOS === undefined) {
+        if (debugConfiguration.clientOS === undefined) {
             debugConfiguration.clientOS = getOSType() === OSType.Windows ? 'windows' : 'unix';
         }
         if (debugConfiguration.showReturnValue) {
diff --git a/src/client/debugger/extension/configuration/resolvers/base.ts b/src/client/debugger/extension/configuration/resolvers/base.ts
index 7adfce1d7ce1..795d06abf6d0 100644
--- a/src/client/debugger/extension/configuration/resolvers/base.ts
+++ b/src/client/debugger/extension/configuration/resolvers/base.ts
@@ -46,7 +46,7 @@ export abstract class BaseConfigurationResolver<T extends DebugConfiguration>
         debugConfiguration: DebugConfiguration,
         _token?: CancellationToken,
     ): Promise<T | undefined> {
-        if (debugConfiguration.clienOS === undefined) {
+        if (debugConfiguration.clientOS === undefined) {
             debugConfiguration.clientOS = getOSType() === OSType.Windows ? 'windows' : 'unix';
         }
         return debugConfiguration as T;
diff --git a/src/client/debugger/extension/configuration/resolvers/launch.ts b/src/client/debugger/extension/configuration/resolvers/launch.ts
index 9513384f1277..485091119eb3 100644
--- a/src/client/debugger/extension/configuration/resolvers/launch.ts
+++ b/src/client/debugger/extension/configuration/resolvers/launch.ts
@@ -50,7 +50,7 @@ export class LaunchConfigurationResolver extends BaseConfigurationResolver<Launc
 
         const workspaceFolder = LaunchConfigurationResolver.getWorkspaceFolder(folder);
         await this.resolveAndUpdatePaths(workspaceFolder, debugConfiguration);
-        if (debugConfiguration.clienOS === undefined) {
+        if (debugConfiguration.clientOS === undefined) {
             debugConfiguration.clientOS = getOSType() === OSType.Windows ? 'windows' : 'unix';
         }
         return debugConfiguration;
diff --git a/src/client/debugger/types.ts b/src/client/debugger/types.ts
index 495dbb5959d1..60e82fb04418 100644
--- a/src/client/debugger/types.ts
+++ b/src/client/debugger/types.ts
@@ -59,6 +59,7 @@ interface ICommonDebugArguments {
     subProcess?: boolean;
     // An absolute path to local directory with source.
     pathMappings?: PathMapping[];
+    clientOS?: 'windows' | 'unix';
 }
 interface IKnownAttachDebugArguments extends ICommonDebugArguments {
     workspaceFolder?: string;