diff --git a/src/vs/platform/keybinding/common/abstractKeybindingService.ts b/src/vs/platform/keybinding/common/abstractKeybindingService.ts
index d5b4edebad71e..f001258b68ed0 100644
--- a/src/vs/platform/keybinding/common/abstractKeybindingService.ts
+++ b/src/vs/platform/keybinding/common/abstractKeybindingService.ts
@@ -188,7 +188,7 @@ export abstract class AbstractKeybindingService extends Disposable implements IK
 			if (!resolveResult.bubble) {
 				shouldPreventDefault = true;
 			}
-			this._commandService.executeCommand(resolveResult.commandId, resolveResult.commandArgs || {}).done(undefined, err => {
+			this._commandService.executeCommand(resolveResult.commandId, resolveResult.commandArgs).done(undefined, err => {
 				this._notificationService.warn(err);
 			});
 			/* __GDPR__
diff --git a/src/vs/platform/keybinding/common/keybindingsRegistry.ts b/src/vs/platform/keybinding/common/keybindingsRegistry.ts
index 048ab78c86d23..39113558334d8 100644
--- a/src/vs/platform/keybinding/common/keybindingsRegistry.ts
+++ b/src/vs/platform/keybinding/common/keybindingsRegistry.ts
@@ -220,7 +220,7 @@ class KeybindingsRegistryImpl implements IKeybindingsRegistry {
 		this._keybindings.push({
 			keybinding: keybinding,
 			command: commandId,
-			commandArgs: null,
+			commandArgs: undefined,
 			when: when,
 			weight1: weight1,
 			weight2: weight2
diff --git a/src/vs/platform/keybinding/test/common/abstractKeybindingService.test.ts b/src/vs/platform/keybinding/test/common/abstractKeybindingService.test.ts
index 4de70895b8aba..2667368db09c0 100644
--- a/src/vs/platform/keybinding/test/common/abstractKeybindingService.test.ts
+++ b/src/vs/platform/keybinding/test/common/abstractKeybindingService.test.ts
@@ -234,7 +234,7 @@ suite('AbstractKeybindingService', () => {
 		assert.equal(shouldPreventDefault, true);
 		assert.deepEqual(executeCommandCalls, [{
 			commandId: 'simpleCommand',
-			args: [{}]
+			args: [null]
 		}]);
 		assert.deepEqual(showMessageCalls, []);
 		assert.deepEqual(statusMessageCalls, []);
@@ -303,7 +303,7 @@ suite('AbstractKeybindingService', () => {
 		assert.equal(shouldPreventDefault, true);
 		assert.deepEqual(executeCommandCalls, [{
 			commandId: 'simpleCommand',
-			args: [{}]
+			args: [null]
 		}]);
 		assert.deepEqual(showMessageCalls, []);
 		assert.deepEqual(statusMessageCalls, []);
@@ -334,7 +334,7 @@ suite('AbstractKeybindingService', () => {
 		assert.equal(shouldPreventDefault, true);
 		assert.deepEqual(executeCommandCalls, [{
 			commandId: 'chordCommand',
-			args: [{}]
+			args: [null]
 		}]);
 		assert.deepEqual(showMessageCalls, []);
 		assert.deepEqual(statusMessageCalls, []);
@@ -363,7 +363,7 @@ suite('AbstractKeybindingService', () => {
 		assert.equal(shouldPreventDefault, true);
 		assert.deepEqual(executeCommandCalls, [{
 			commandId: 'simpleCommand',
-			args: [{}]
+			args: [null]
 		}]);
 		assert.deepEqual(showMessageCalls, []);
 		assert.deepEqual(statusMessageCalls, []);
@@ -381,7 +381,7 @@ suite('AbstractKeybindingService', () => {
 		assert.equal(shouldPreventDefault, true);
 		assert.deepEqual(executeCommandCalls, [{
 			commandId: 'simpleCommand',
-			args: [{}]
+			args: [null]
 		}]);
 		assert.deepEqual(showMessageCalls, []);
 		assert.deepEqual(statusMessageCalls, []);
@@ -421,7 +421,7 @@ suite('AbstractKeybindingService', () => {
 		assert.equal(shouldPreventDefault, false);
 		assert.deepEqual(executeCommandCalls, [{
 			commandId: 'simpleCommand',
-			args: [{}]
+			args: [null]
 		}]);
 		assert.deepEqual(showMessageCalls, []);
 		assert.deepEqual(statusMessageCalls, []);
diff --git a/src/vs/workbench/services/keybinding/common/keybindingIO.ts b/src/vs/workbench/services/keybinding/common/keybindingIO.ts
index 64037ac9774b3..13f82fbc817f1 100644
--- a/src/vs/workbench/services/keybinding/common/keybindingIO.ts
+++ b/src/vs/workbench/services/keybinding/common/keybindingIO.ts
@@ -42,7 +42,7 @@ export class KeybindingIO {
 		const [firstPart, chordPart] = (typeof input.key === 'string' ? this._readUserBinding(input.key) : [null, null]);
 		const when = (typeof input.when === 'string' ? ContextKeyExpr.deserialize(input.when) : null);
 		const command = (typeof input.command === 'string' ? input.command : null);
-		const commandArgs = (typeof input.args !== 'undefined' ? input.args : null);
+		const commandArgs = (typeof input.args !== 'undefined' ? input.args : undefined);
 		return {
 			firstPart: firstPart,
 			chordPart: chordPart,