diff --git a/src/vs/workbench/api/node/extHostLogService.ts b/src/vs/workbench/api/common/extHostLogService.ts
similarity index 89%
rename from src/vs/workbench/api/node/extHostLogService.ts
rename to src/vs/workbench/api/common/extHostLogService.ts
index 6e959b7644e..ec17b2297b3 100644
--- a/src/vs/workbench/api/node/extHostLogService.ts
+++ b/src/vs/workbench/api/common/extHostLogService.ts
@@ -5,12 +5,15 @@
 
 import { join } from 'vs/base/common/path';
 import { ILogService, DelegatedLogService, LogLevel } from 'vs/platform/log/common/log';
-import { createSpdLogService } from 'vs/platform/log/node/spdlogService';
 import { ExtHostLogServiceShape } from 'vs/workbench/api/common/extHost.protocol';
 import { ExtensionHostLogFileName } from 'vs/workbench/services/extensions/common/extensions';
 import { URI } from 'vs/base/common/uri';
 import { ExtensionIdentifier } from 'vs/platform/extensions/common/extensions';
 
+export interface ILogServiceCreateFn {
+	(): ILogService;
+}
+
 export class ExtHostLogService extends DelegatedLogService implements ILogService, ExtHostLogServiceShape {
 
 	private _logsPath: string;
@@ -19,8 +22,9 @@ export class ExtHostLogService extends DelegatedLogService implements ILogServic
 	constructor(
 		logLevel: LogLevel,
 		logsPath: string,
+		factory: ILogServiceCreateFn
 	) {
-		super(createSpdLogService(ExtensionHostLogFileName, logLevel, logsPath));
+		super(factory());
 		this._logsPath = logsPath;
 		this.logFile = URI.file(join(logsPath, `${ExtensionHostLogFileName}.log`));
 	}
diff --git a/src/vs/workbench/api/node/extHost.api.impl.ts b/src/vs/workbench/api/node/extHost.api.impl.ts
index 216d6c64bd2..a1833f63f7d 100644
--- a/src/vs/workbench/api/node/extHost.api.impl.ts
+++ b/src/vs/workbench/api/node/extHost.api.impl.ts
@@ -37,7 +37,7 @@ import { ExtHostFileSystemEventService } from 'vs/workbench/api/common/extHostFi
 import { ExtHostHeapService } from 'vs/workbench/api/common/extHostHeapService';
 import { ExtHostLanguageFeatures, ISchemeTransformer } from 'vs/workbench/api/common/extHostLanguageFeatures';
 import { ExtHostLanguages } from 'vs/workbench/api/common/extHostLanguages';
-import { ExtHostLogService } from 'vs/workbench/api/node/extHostLogService';
+import { ExtHostLogService } from 'vs/workbench/api/common/extHostLogService';
 import { ExtHostMessageService } from 'vs/workbench/api/common/extHostMessageService';
 import { ExtHostOutputService } from 'vs/workbench/api/common/extHostOutput';
 import { LogOutputChannelFactory } from 'vs/workbench/api/node/extHostOutputService';
diff --git a/src/vs/workbench/api/node/extHostExtensionService.ts b/src/vs/workbench/api/node/extHostExtensionService.ts
index 2f0269fe22e..29c99553e0c 100644
--- a/src/vs/workbench/api/node/extHostExtensionService.ts
+++ b/src/vs/workbench/api/node/extHostExtensionService.ts
@@ -16,7 +16,7 @@ import { createApiFactory, IExtensionApiFactory, NodeModuleRequireInterceptor, V
 import { ExtHostExtensionServiceShape, IEnvironment, IInitData, IMainContext, MainContext, MainThreadExtensionServiceShape, MainThreadTelemetryShape, MainThreadWorkspaceShape, IStaticWorkspaceData } from 'vs/workbench/api/common/extHost.protocol';
 import { ExtHostConfiguration } from 'vs/workbench/api/common/extHostConfiguration';
 import { ActivatedExtension, EmptyExtension, ExtensionActivatedByAPI, ExtensionActivatedByEvent, ExtensionActivationReason, ExtensionActivationTimes, ExtensionActivationTimesBuilder, ExtensionsActivator, IExtensionAPI, IExtensionContext, IExtensionMemento, IExtensionModule, HostExtension } from 'vs/workbench/api/common/extHostExtensionActivator';
-import { ExtHostLogService } from 'vs/workbench/api/node/extHostLogService';
+import { ExtHostLogService } from 'vs/workbench/api/common/extHostLogService';
 import { ExtHostStorage } from 'vs/workbench/api/common/extHostStorage';
 import { ExtHostWorkspace } from 'vs/workbench/api/common/extHostWorkspace';
 import { ExtensionActivationError } from 'vs/workbench/services/extensions/common/extensions';
diff --git a/src/vs/workbench/services/extensions/node/extensionHostMain.ts b/src/vs/workbench/services/extensions/node/extensionHostMain.ts
index 888ac0e0c19..ecfc054d3eb 100644
--- a/src/vs/workbench/services/extensions/node/extensionHostMain.ts
+++ b/src/vs/workbench/services/extensions/node/extensionHostMain.ts
@@ -13,11 +13,13 @@ import { IMessagePassingProtocol } from 'vs/base/parts/ipc/common/ipc';
 import { IEnvironment, IInitData, MainContext, MainThreadConsoleShape } from 'vs/workbench/api/common/extHost.protocol';
 import { ExtHostConfiguration } from 'vs/workbench/api/common/extHostConfiguration';
 import { ExtHostExtensionService } from 'vs/workbench/api/node/extHostExtensionService';
-import { ExtHostLogService } from 'vs/workbench/api/node/extHostLogService';
+import { ExtHostLogService } from 'vs/workbench/api/common/extHostLogService';
 import { ExtHostWorkspace } from 'vs/workbench/api/common/extHostWorkspace';
 import { RPCProtocol } from 'vs/workbench/services/extensions/common/rpcProtocol';
 import { IExtensionDescription } from 'vs/platform/extensions/common/extensions';
 import { withNullAsUndefined } from 'vs/base/common/types';
+import { ExtensionHostLogFileName } from 'vs/workbench/services/extensions/common/extensions';
+import { createSpdLogService } from 'vs/platform/log/node/spdlogService';
 
 // we don't (yet) throw when extensions parse
 // uris that have no scheme
@@ -70,7 +72,7 @@ export class ExtensionHostMain {
 		this._patchPatchedConsole(rpcProtocol.getProxy(MainContext.MainThreadConsole));
 
 		// services
-		this._extHostLogService = new ExtHostLogService(initData.logLevel, initData.logsLocation.fsPath);
+		this._extHostLogService = new ExtHostLogService(initData.logLevel, initData.logsLocation.fsPath, () => createSpdLogService(ExtensionHostLogFileName, initData.logLevel, initData.logsLocation.fsPath));
 		this.disposables.push(this._extHostLogService);
 
 		this._searchRequestIdProvider = new Counter();
diff --git a/src/vs/workbench/services/extensions/node/proxyResolver.ts b/src/vs/workbench/services/extensions/node/proxyResolver.ts
index 07edeb33432..37157f6fdae 100644
--- a/src/vs/workbench/services/extensions/node/proxyResolver.ts
+++ b/src/vs/workbench/services/extensions/node/proxyResolver.ts
@@ -17,7 +17,7 @@ import { IExtHostWorkspaceProvider } from 'vs/workbench/api/common/extHostWorksp
 import { ExtHostConfigProvider } from 'vs/workbench/api/common/extHostConfiguration';
 import { ProxyAgent } from 'vscode-proxy-agent';
 import { MainThreadTelemetryShape } from 'vs/workbench/api/common/extHost.protocol';
-import { ExtHostLogService } from 'vs/workbench/api/node/extHostLogService';
+import { ExtHostLogService } from 'vs/workbench/api/common/extHostLogService';
 import { toErrorMessage } from 'vs/base/common/errorMessage';
 import { ExtHostExtensionService } from 'vs/workbench/api/node/extHostExtensionService';
 import { URI } from 'vs/base/common/uri';