diff --git a/src/vs/vscode.d.ts b/src/vs/vscode.d.ts
index 278937b88ca..d7db4c329e4 100644
--- a/src/vs/vscode.d.ts
+++ b/src/vs/vscode.d.ts
@@ -2420,10 +2420,10 @@ declare namespace vscode {
 
 		/**
 		 * Reveal this channel in the UI.
-		 *
+		 * @param column @deprecated **This argument is deprecated.** The column in which to show the channel, default in [one](#ViewColumn.One).
 		 * @param preserveFocus When `true` the channel will not take focus.
 		 */
-		show(preserveFocus?: boolean): void;
+		show(column?: ViewColumn, preserveFocus?: boolean): void;
 
 		/**
 		 * Hide this channel from the UI.
diff --git a/src/vs/workbench/api/node/extHostOutputService.ts b/src/vs/workbench/api/node/extHostOutputService.ts
index a455d036c58..6712976624d 100644
--- a/src/vs/workbench/api/node/extHostOutputService.ts
+++ b/src/vs/workbench/api/node/extHostOutputService.ts
@@ -47,7 +47,7 @@ export class ExtHostOutputChannel implements vscode.OutputChannel {
 		this._proxy.clear(this._name);
 	}
 
-	show(preserveFocus?: boolean): void {
+	show(column?: vscode.ViewColumn, preserveFocus?: boolean): void {
 		this._proxy.reveal(this._name, preserveFocus);
 	}