diff --git a/src/vs/code/electron-browser/sharedProcess/sharedProcessMain.ts b/src/vs/code/electron-browser/sharedProcess/sharedProcessMain.ts
index 1cac6c41b1f..547d1bd99d6 100644
--- a/src/vs/code/electron-browser/sharedProcess/sharedProcessMain.ts
+++ b/src/vs/code/electron-browser/sharedProcess/sharedProcessMain.ts
@@ -43,7 +43,6 @@ import { LocalizationsChannel } from 'vs/platform/localizations/common/localizat
 import { DialogChannelClient } from 'vs/platform/dialogs/common/dialogIpc';
 import { IDialogService } from 'vs/platform/dialogs/common/dialogs';
 import { IDisposable, dispose } from 'vs/base/common/lifecycle';
-import { DefaultURITransformer } from 'vs/base/common/uriIpc';
 
 export interface ISharedProcessConfiguration {
 	readonly machineId: string;
@@ -123,7 +122,7 @@ function main(server: Server, initData: ISharedProcessInitData, configuration: I
 
 		instantiationService2.invokeFunction(accessor => {
 			const extensionManagementService = accessor.get(IExtensionManagementService);
-			const channel = new ExtensionManagementChannel(extensionManagementService, DefaultURITransformer);
+			const channel = new ExtensionManagementChannel(extensionManagementService);
 			server.registerChannel('extensions', channel);
 
 			// clean up deprecated extensions
diff --git a/src/vs/platform/extensionManagement/common/extensionManagementIpc.ts b/src/vs/platform/extensionManagement/common/extensionManagementIpc.ts
index 13180261b7b..4180af7c8a3 100644
--- a/src/vs/platform/extensionManagement/common/extensionManagementIpc.ts
+++ b/src/vs/platform/extensionManagement/common/extensionManagementIpc.ts
@@ -33,7 +33,7 @@ export class ExtensionManagementChannel implements IExtensionManagementChannel {
 	onUninstallExtension: Event<IExtensionIdentifier>;
 	onDidUninstallExtension: Event<DidUninstallExtensionEvent>;
 
-	constructor(private service: IExtensionManagementService, private uriTransformer: IURITransformer) {
+	constructor(private service: IExtensionManagementService) {
 		this.onInstallExtension = buffer(service.onInstallExtension, true);
 		this.onDidInstallExtension = buffer(service.onDidInstallExtension, true);
 		this.onUninstallExtension = buffer(service.onUninstallExtension, true);
@@ -66,7 +66,7 @@ export class ExtensionManagementChannel implements IExtensionManagementChannel {
 	}
 
 	private _transform(extension: ILocalExtension): ILocalExtension {
-		return extension ? { ...extension, ...{ location: URI.revive(this.uriTransformer.transformIncoming(extension.location)) } } : extension;
+		return extension ? { ...extension, ...{ location: URI.revive(extension.location) } } : extension;
 	}
 }
 
@@ -77,7 +77,7 @@ export class ExtensionManagementChannelClient implements IExtensionManagementSer
 	constructor(private channel: IExtensionManagementChannel, private uriTransformer: IURITransformer) { }
 
 	get onInstallExtension(): Event<InstallExtensionEvent> { return this.channel.listen('onInstallExtension'); }
-	get onDidInstallExtension(): Event<DidInstallExtensionEvent> { return mapEvent(this.channel.listen('onDidInstallExtension'), i => ({ ...i, local: this._transform(i.local) })); }
+	get onDidInstallExtension(): Event<DidInstallExtensionEvent> { return mapEvent(this.channel.listen('onDidInstallExtension'), i => ({ ...i, local: this._transformIncoming(i.local) })); }
 	get onUninstallExtension(): Event<IExtensionIdentifier> { return this.channel.listen('onUninstallExtension'); }
 	get onDidUninstallExtension(): Event<DidUninstallExtensionEvent> { return this.channel.listen('onDidUninstallExtension'); }
 
@@ -90,29 +90,33 @@ export class ExtensionManagementChannelClient implements IExtensionManagementSer
 	}
 
 	uninstall(extension: ILocalExtension, force = false): TPromise<void> {
-		return this.channel.call('uninstall', [extension, force]);
+		return this.channel.call('uninstall', [this._transformOutgoing(extension), force]);
 	}
 
 	reinstallFromGallery(extension: ILocalExtension): TPromise<void> {
-		return this.channel.call('reinstallFromGallery', [extension]);
+		return this.channel.call('reinstallFromGallery', [this._transformOutgoing(extension)]);
 	}
 
 	getInstalled(type: LocalExtensionType = null): TPromise<ILocalExtension[]> {
 		return this.channel.call('getInstalled', [type])
-			.then(extensions => extensions.map(extension => this._transform(extension)));
+			.then(extensions => extensions.map(extension => this._transformIncoming(extension)));
 	}
 
 	updateMetadata(local: ILocalExtension, metadata: IGalleryMetadata): TPromise<ILocalExtension> {
-		return this.channel.call('updateMetadata', [local, metadata])
-			.then(extension => this._transform(extension));
+		return this.channel.call('updateMetadata', [this._transformOutgoing(local), metadata])
+			.then(extension => this._transformIncoming(extension));
 	}
 
 	getExtensionsReport(): TPromise<IReportedExtension[]> {
 		return this.channel.call('getExtensionsReport');
 	}
 
-	private _transform(extension: ILocalExtension): ILocalExtension {
+	private _transformIncoming(extension: ILocalExtension): ILocalExtension {
 		return extension ? { ...extension, ...{ location: URI.revive(this.uriTransformer.transformIncoming(extension.location)) } } : extension;
 	}
 
+	private _transformOutgoing(extension: ILocalExtension): ILocalExtension {
+		return extension ? { ...extension, ...{ location: this.uriTransformer.transformOutgoing(extension.location) } } : extension;
+	}
+
 }
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