1 files changed, 14 insertions, 1 deletions
diff --git a/lib/internal/assert/assertion_error.js b/lib/internal/assert/assertion_error.js
index a13a610da1..ded5ef00c9 100644
--- a/lib/internal/assert/assertion_error.js
+++ b/lib/internal/assert/assertion_error.js
@@ -388,12 +388,25 @@ class AssertionError extends Error {
     }
 
     this.generatedMessage = !message;
-    this.name = 'AssertionError [ERR_ASSERTION]';
+    Object.defineProperty(this, 'name', {
+      value: 'AssertionError [ERR_ASSERTION]',
+      enumerable: false,
+      writable: true,
+      configurable: true
+    });
     this.code = 'ERR_ASSERTION';
     this.actual = actual;
     this.expected = expected;
     this.operator = operator;
     Error.captureStackTrace(this, stackStartFn);
+    // Create error message including the error code in the name.
+    this.stack;
+    // Reset the name.
+    this.name = 'AssertionError';
+  }
+
+  toString() {
+    return `${this.name} [${this.code}]: ${this.message}`;
   }
 
   [inspect.custom](recurseTimes, ctx) {