diff --git a/specs/Modal.events.spec.js b/specs/Modal.events.spec.js
index 8c9d5f2b..3382f180 100644
--- a/specs/Modal.events.spec.js
+++ b/specs/Modal.events.spec.js
@@ -11,9 +11,10 @@ import {
   mouseDownAt,
   mouseUpAt,
   escKeyDown,
-  escKeyDownWithCode,
+  escKeyDownWithKey,
+  nonEscKeyDownWithEscCode,
   tabKeyDown,
-  tabKeyDownWithCode,
+  tabKeyDownWithKey,
   withModal,
   withElementCollector,
   createHTMLElement
@@ -111,7 +112,7 @@ export default () => {
     });
   });
 
-  it("traps tab in the modal on shift + tab with KeyboardEvent.code", () => {
+  it("traps tab in the modal on shift + tab with KeyboardEvent.key", () => {
     const topButton = <button>top</button>;
     const bottomButton = <button>bottom</button>;
     const modalContent = (
@@ -123,7 +124,7 @@ export default () => {
     const props = { isOpen: true };
     withModal(props, modalContent, modal => {
       const content = mcontent(modal);
-      tabKeyDownWithCode(content, { shiftKey: true });
+      tabKeyDownWithKey(content, { shiftKey: true });
       document.activeElement.textContent.should.be.eql("bottom");
     });
   });
@@ -149,7 +150,7 @@ export default () => {
         );
       });
 
-      it("should close on Esc key event with KeyboardEvent.code", () => {
+      it("should close on Esc key event with KeyboardEvent.key", () => {
         const requestCloseCallback = sinon.spy();
         withModal(
           {
@@ -159,7 +160,7 @@ export default () => {
           },
           null,
           modal => {
-            escKeyDownWithCode(mcontent(modal));
+            escKeyDownWithKey(mcontent(modal));
             requestCloseCallback.called.should.be.ok();
             // Check if event is passed to onRequestClose callback.
             const event = requestCloseCallback.getCall(0).args[0];
@@ -167,6 +168,22 @@ export default () => {
           }
         );
       });
+
+      it("should not close when Escape code represents another logical key", () => {
+        const requestCloseCallback = sinon.spy();
+        withModal(
+          {
+            isOpen: true,
+            shouldCloseOnEsc: true,
+            onRequestClose: requestCloseCallback
+          },
+          null,
+          modal => {
+            nonEscKeyDownWithEscCode(mcontent(modal));
+            requestCloseCallback.called.should.be.false();
+          }
+        );
+      });
     });
 
     context("when false", () => {
diff --git a/specs/helper.js b/specs/helper.js
index 825b5510..204a5a14 100644
--- a/specs/helper.js
+++ b/specs/helper.js
@@ -192,7 +192,7 @@ const dispatchMockEvent = eventCtor => (key, code) => (element, opts) =>
 const dispatchMockKeyDownEvent = dispatchMockEvent(Simulate.keyDown);
 
 /**
- * @deprecated will be replaced by `escKeyDownWithCode` when `react-modal`
+ * @deprecated will be replaced by `escKeyDownWithKey` when `react-modal`
  * drops support for React <18.
  *
  * Dispatch an 'esc' key down event using the legacy KeyboardEvent.keyCode.
@@ -201,11 +201,16 @@ export const escKeyDown = dispatchMockKeyDownEvent("ESC", { keyCode: 27 });
 /**
  * Dispatch an 'esc' key down event.
  */
-export const escKeyDownWithCode = dispatchMockKeyDownEvent("ESC", {
-  code: "Escape"
+export const escKeyDownWithKey = dispatchMockKeyDownEvent("Escape", {});
+/**
+ * Dispatch a non-escape logical key from the physical Escape key location.
+ */
+export const nonEscKeyDownWithEscCode = dispatchMockKeyDownEvent("Process", {
+  code: "Escape",
+  keyCode: 229
 });
 /**
- * @deprecated will be replaced by `escKeyDownWithCode` when `react-modal`
+ * @deprecated will be replaced by `tabKeyDownWithKey` when `react-modal`
  * drops support for React <18.
  *
  * Dispatch a 'tab' key down event using the legacy KeyboardEvent.keyCode.
@@ -214,9 +219,7 @@ export const tabKeyDown = dispatchMockKeyDownEvent("TAB", { keyCode: 9 });
 /**
  * Dispatch a 'tab' key down event.
  */
-export const tabKeyDownWithCode = dispatchMockKeyDownEvent("TAB", {
-  code: "Tab"
-});
+export const tabKeyDownWithKey = dispatchMockKeyDownEvent("Tab", {});
 /**
  * Dispatch a 'click' event at a node.
  */
diff --git a/src/components/ModalPortal.js b/src/components/ModalPortal.js
index 7f20df67..f909d5a8 100644
--- a/src/components/ModalPortal.js
+++ b/src/components/ModalPortal.js
@@ -19,11 +19,11 @@ const CLASS_NAMES = {
 
 /**
  * We need to support the deprecated `KeyboardEvent.keyCode` in addition to
- * `KeyboardEvent.code` for apps that still support IE11. Can be removed when
+ * `KeyboardEvent.key` for apps that still support IE11. Can be removed when
  * `react-modal` only supports React >18 (which dropped IE support).
  */
-const isTabKey = event => event.code === "Tab" || event.keyCode === 9;
-const isEscKey = event => event.code === "Escape" || event.keyCode === 27;
+const isTabKey = event => event.key === "Tab" || event.keyCode === 9;
+const isEscKey = event => event.key === "Escape" || event.keyCode === 27;
 
 let ariaHiddenInstances = 0;