diff --git a/lib/core/AxiosError.js b/lib/core/AxiosError.js
index 60818f2b..14737173 100644
--- a/lib/core/AxiosError.js
+++ b/lib/core/AxiosError.js
@@ -11,29 +11,40 @@ class AxiosError extends Error {
     return axiosError;
   }
 
-  /**
-   * Create an Error with the specified message, config, error code, request and response.
-   *
-   * @param {string} message The error message.
-   * @param {string} [code] The error code (for example, 'ECONNABORTED').
-   * @param {Object} [config] The config.
-   * @param {Object} [request] The request.
-   * @param {Object} [response] The response.
-   *
-   * @returns {Error} The created error.
-   */
-  constructor(message, code, config, request, response) {
-    super(message);
-    this.name = 'AxiosError';
-    this.isAxiosError = true;
-    code && (this.code = code);
-    config && (this.config = config);
-    request && (this.request = request);
-    if (response) {
-      this.response = response;
-      this.status = response.status;
+    /**
+     * Create an Error with the specified message, config, error code, request and response.
+     *
+     * @param {string} message The error message.
+     * @param {string} [code] The error code (for example, 'ECONNABORTED').
+     * @param {Object} [config] The config.
+     * @param {Object} [request] The request.
+     * @param {Object} [response] The response.
+     *
+     * @returns {Error} The created error.
+     */
+    constructor(message, code, config, request, response) {
+      super(message);
+      
+      // Make message enumerable to maintain backward compatibility
+      // The native Error constructor sets message as non-enumerable,
+      // but axios < v1.13.3 had it as enumerable
+      Object.defineProperty(this, 'message', {
+          value: message,
+          enumerable: true,
+          writable: true,
+          configurable: true
+      });
+      
+      this.name = 'AxiosError';
+      this.isAxiosError = true;
+      code && (this.code = code);
+      config && (this.config = config);
+      request && (this.request = request);
+      if (response) {
+          this.response = response;
+          this.status = response.status;
+      }
     }
-  }
 
   toJSON() {
     return {
diff --git a/test/specs/core/AxiosError.spec.js b/test/specs/core/AxiosError.spec.js
index 92576b69..17495ad4 100644
--- a/test/specs/core/AxiosError.spec.js
+++ b/test/specs/core/AxiosError.spec.js
@@ -67,4 +67,26 @@ describe('core::AxiosError', function () {
     const err = new AxiosError('test', 'foo', {}, {}, { status: 400 });
     expect(err.status).toBe(400);
   });
+
+  it('should have message property as enumerable for backward compatibility', () => {
+      const err = new AxiosError('Test error message', 'ERR_TEST', {foo: 'bar'});
+
+      // Test Object.keys() includes message
+      const keys = Object.keys(err);
+      expect(keys).toContain('message');
+
+      // Test Object.entries() includes message
+      const entries = Object.entries(err);
+      const messageEntry = entries.find(([key]) => key === 'message');
+      expect(messageEntry).toBeDefined();
+      expect(messageEntry[1]).toBe('Test error message');
+
+      // Test spread operator includes message
+      const spread = {...err};
+      expect(spread.message).toBe('Test error message');
+
+      // Verify message descriptor is enumerable
+      const descriptor = Object.getOwnPropertyDescriptor(err, 'message');
+      expect(descriptor.enumerable).toBe(true);
+  });
 });