diff --git a/src/vs/workbench/parts/debug/common/debugProtocol.d.ts b/src/vs/workbench/parts/debug/common/debugProtocol.d.ts
index bcae4698324..4eda6e4a1df 100644
--- a/src/vs/workbench/parts/debug/common/debugProtocol.d.ts
+++ b/src/vs/workbench/parts/debug/common/debugProtocol.d.ts
@@ -144,16 +144,9 @@ declare module DebugProtocol {
 		/** Determines in what format paths are specified. Possible values are 'path' or 'uri'. The default is 'path', which is the native format. */
 		pathFormat?: string;
 	}
-	/** Response to Initialize request.
-	 *  It contains information about the features implemented by a debug adapter.
-	*/
+	/** Response to Initialize request. */
 	export interface InitializeResponse extends Response {
-		body: {
-			/** The debug adapter supports the configurationDoneRequest. */
-			supportsConfigurationDoneRequest?: boolean;
-			/** The debug adapter supports a (side effect free) evaluate request for data hovers. */
-			supportEvaluateForHovers?: boolean;
-		}
+		body: Capabilites;
 	}
 
 	/** ConfigurationDone request; value of command field is "configurationDone".
@@ -544,4 +537,13 @@ declare module DebugProtocol {
 		/** The actual column of the breakpoint. */
 		column?: number;
 	}
+
+	/** Information about the features implemented by a debug adapter.
+    */
+	export interface Capabilites {
+		/** The debug adapter supports the configurationDoneRequest. */
+		supportsConfigurationDoneRequest?: boolean;
+		/** The debug adapter supports a (side effect free) evaluate request for data hovers. */
+		supportEvaluateForHovers?: boolean;
+	}
 }
diff --git a/src/vs/workbench/parts/debug/node/rawDebugSession.ts b/src/vs/workbench/parts/debug/node/rawDebugSession.ts
index a75e666def7..789ba0b15b0 100644
--- a/src/vs/workbench/parts/debug/node/rawDebugSession.ts
+++ b/src/vs/workbench/parts/debug/node/rawDebugSession.ts
@@ -25,7 +25,7 @@ export class RawDebugSession extends v8.V8Protocol implements debug.IRawDebugSes
 	private startTime: number;
 	private stopServerPending: boolean;
 	public isAttach: boolean;
-	public capablities: DebugProtocol.InitializeResponse;
+	public capablities: DebugProtocol.Capabilites;
 
 	constructor(
 		private messageService: IMessageService,
@@ -67,7 +67,7 @@ export class RawDebugSession extends v8.V8Protocol implements debug.IRawDebugSes
 
 	public initialize(args: DebugProtocol.InitializeRequestArguments): TPromise<DebugProtocol.InitializeResponse> {
 		return this.send('initialize', args).then(response => {
-			this.capablities = response;
+			this.capablities = response.body;
 			return response;
 		});
 	}