diff --git a/src/InputHandler.ts b/src/InputHandler.ts
index 356f3b3d..a651440a 100644
--- a/src/InputHandler.ts
+++ b/src/InputHandler.ts
@@ -1789,7 +1789,7 @@ export class InputHandler extends Disposable implements IInputHandler {
           this._coreService.isCursorHidden = false;
           break;
         case 1039:
-          this._coreService.decPrivateModes.altEnterMode = true;
+          this._coreService.decPrivateModes.altEscMode = true;
           break;
         case 1048: // alt screen cursor
           this.saveCursor();
@@ -2007,7 +2007,7 @@ export class InputHandler extends Disposable implements IInputHandler {
           this._coreService.isCursorHidden = true;
           break;
         case 1039:
-          this._coreService.decPrivateModes.altEnterMode = false;
+          this._coreService.decPrivateModes.altEscMode = false;
           break;
         case 1048: // alt screen cursor
           this.restoreCursor();
diff --git a/src/Terminal.ts b/src/Terminal.ts
index 0ca1b186..60646617 100644
--- a/src/Terminal.ts
+++ b/src/Terminal.ts
@@ -1222,7 +1222,7 @@ export class Terminal extends Disposable implements ITerminal, IDisposable, IInp
       return false;
     }
 
-    const result = evaluateKeyboardEvent(event, this._coreService.decPrivateModes.altEnterMode, this._coreService.decPrivateModes.applicationCursorKeys, this.browser.isMac, this.options.macOptionIsMeta);
+    const result = evaluateKeyboardEvent(event, this._coreService.decPrivateModes.altEscMode, this._coreService.decPrivateModes.applicationCursorKeys, this.browser.isMac, this.options.macOptionIsMeta);
 
     this.updateCursorStyle(event);
 
diff --git a/src/common/TestUtils.test.ts b/src/common/TestUtils.test.ts
index b4636ebf..2257530c 100644
--- a/src/common/TestUtils.test.ts
+++ b/src/common/TestUtils.test.ts
@@ -59,7 +59,7 @@ export class MockCoreService implements ICoreService {
   isCursorHidden: boolean = false;
   isFocused: boolean = false;
   decPrivateModes: IDecPrivateModes = {
-    altEnterMode: true,
+    altEscMode: true,
     applicationCursorKeys: false,
     applicationKeypad: false,
     origin: false,
diff --git a/src/common/Types.d.ts b/src/common/Types.d.ts
index 4df53bd4..0a2d4252 100644
--- a/src/common/Types.d.ts
+++ b/src/common/Types.d.ts
@@ -152,7 +152,7 @@ export interface IMarker extends IDisposable {
 }
 
 export interface IDecPrivateModes {
-  altEnterMode: boolean;
+  altEscMode: boolean;
   applicationCursorKeys: boolean;
   applicationKeypad: boolean;
   origin: boolean;
diff --git a/src/common/input/Keyboard.ts b/src/common/input/Keyboard.ts
index 34433dea..67b5ee44 100644
--- a/src/common/input/Keyboard.ts
+++ b/src/common/input/Keyboard.ts
@@ -37,7 +37,7 @@ const KEYCODE_KEY_MAPPINGS: { [key: number]: [string, string]} = {
 
 export function evaluateKeyboardEvent(
   ev: IKeyboardEvent,
-  altEnterMode: boolean,
+  altEscMode: boolean,
   applicationCursorMode: boolean,
   isMac: boolean,
   macOptionIsMeta: boolean
@@ -104,7 +104,7 @@ export function evaluateKeyboardEvent(
       break;
     case 13:
       // return/enter
-      if (altEnterMode && modifiers === 2) {
+      if (altEscMode && modifiers === 2) {
         result.key = C0.ESC + C0.CR;
       }
       else {
diff --git a/src/common/services/CoreService.ts b/src/common/services/CoreService.ts
index 1ae906cc..c8c77c7d 100644
--- a/src/common/services/CoreService.ts
+++ b/src/common/services/CoreService.ts
@@ -9,7 +9,7 @@ import { IDecPrivateModes, ICharset } from 'common/Types';
 import { clone } from 'common/Clone';
 
 const DEFAULT_DEC_PRIVATE_MODES: IDecPrivateModes = Object.freeze({
-  altEnterMode: true,
+  altEscMode: true,
   applicationCursorKeys: false,
   applicationKeypad: false,
   origin: false,