diff --git a/src/vs/vscode.d.ts b/src/vs/vscode.d.ts
index fae45d555b4..19786714a21 100644
--- a/src/vs/vscode.d.ts
+++ b/src/vs/vscode.d.ts
@@ -3266,6 +3266,18 @@ declare module 'vscode' {
 		dispose(): void;
 	}
 
+	/**
+	 * Defines a generalized way of reporting progress updates.
+	 */
+	export interface Progress<T> {
+
+		/**
+		 * Report a progress update.
+		 * @param value A progress item, like a message or an updated percentage value
+		 */
+		report(value: T): void
+	}
+
 	/**
 	 * An individual terminal instance within the integrated terminal.
 	 */
@@ -3844,6 +3856,17 @@ declare module 'vscode' {
 		 */
 		export function setStatusBarMessage(text: string): Disposable;
 
+		/**
+		 * Show progress in the scm viewlet while running the given callback and while its returned
+		 * promise isn't resolve or rejected.
+		 *
+		 * @param task A callback returning a promise. Progress increments can be reported with
+		 * the provided [progress](#Progress)-object.
+		 * @return The thenable the task did return.
+		 */
+		export function withScmProgress<R>(task: (progress: Progress<number>) => Thenable<R>): Thenable<R>;
+
+
 		/**
 		 * Creates a status bar [item](#StatusBarItem).
 		 *
diff --git a/src/vs/vscode.proposed.d.ts b/src/vs/vscode.proposed.d.ts
index a0dc373f265..18b78038d50 100644
--- a/src/vs/vscode.proposed.d.ts
+++ b/src/vs/vscode.proposed.d.ts
@@ -7,18 +7,6 @@
 
 declare module 'vscode' {
 
-	/**
-	 * Defines a generalized way of reporing progress updates.
-	 */
-	export interface Progress<T> {
-
-		/**
-		 * Report a progress update.
-		 * @param value A progress item, like a message or an updated percentage value
-		 */
-		report(value: T): void
-	}
-
 	/**
 	 * Defines a problem pattern
 	 */
@@ -505,8 +493,6 @@ declare module 'vscode' {
 		 */
 		export function withWindowProgress<R>(title: string, task: (progress: Progress<string>, token: CancellationToken) => Thenable<R>): Thenable<R>;
 
-		export function withScmProgress<R>(task: (progress: Progress<number>) => Thenable<R>): Thenable<R>;
-
 		export function sampleFunction(): Thenable<any>;
 	}
 
@@ -661,4 +647,4 @@ declare module 'vscode' {
 		 */
 		onData(callback: (data: string) => any): void;
 	}
-}
\ No newline at end of file
+}
diff --git a/src/vs/workbench/api/node/extHostProgress.ts b/src/vs/workbench/api/node/extHostProgress.ts
index 3d0b2b42e1a..237aae60d30 100644
--- a/src/vs/workbench/api/node/extHostProgress.ts
+++ b/src/vs/workbench/api/node/extHostProgress.ts
@@ -46,12 +46,7 @@ export class ExtHostProgress {
 			throw err;
 		}
 
-		return p.then(result => {
-			this._proxy.$progressEnd(handle);
-			return result;
-		}, err => {
-			this._proxy.$progressEnd(handle);
-			throw err;
-		});
+		p.then(result => this._proxy.$progressEnd(handle), err => this._proxy.$progressEnd(handle));
+		return p;
 	}
 }