diff --git a/lib/jasmine-core/jasmine.js b/lib/jasmine-core/jasmine.js
index bcf2d4ca..6b60117c 100644
--- a/lib/jasmine-core/jasmine.js
+++ b/lib/jasmine-core/jasmine.js
@@ -8433,7 +8433,7 @@ getJasmineRequireObj().Runner = function(j$) {
 
       const order = new j$.Order({
         random: config.random,
-        seed: config.seed
+        seed: j$.isNumber_(config.seed) ? config.seed + '' : config.seed
       });
 
       const processor = new j$.TreeProcessor({
diff --git a/spec/core/integration/EnvSpec.js b/spec/core/integration/EnvSpec.js
index b61322d2..f2433403 100644
--- a/spec/core/integration/EnvSpec.js
+++ b/spec/core/integration/EnvSpec.js
@@ -2026,6 +2026,29 @@ describe('Env integration', function() {
     expect(doneArg.order.seed).toEqual('123456');
   });
 
+  it('coerces the random seed to a string if it is a number', async function() {
+    const reporter = jasmine.createSpyObj('fakeReporter', [
+      'jasmineStarted',
+      'jasmineDone',
+      'suiteStarted',
+      'suiteDone',
+      'specStarted',
+      'specDone'
+    ]);
+    env.configure({ random: true, seed: 123456 });
+
+    env.addReporter(reporter);
+    env.configure({ random: true });
+    await env.execute();
+
+    expect(reporter.jasmineStarted).toHaveBeenCalled();
+    const startedArg = reporter.jasmineStarted.calls.argsFor(0)[0];
+    expect(startedArg.order.seed).toEqual('123456');
+
+    const doneArg = reporter.jasmineDone.calls.argsFor(0)[0];
+    expect(doneArg.order.seed).toEqual('123456');
+  });
+
   it('should report pending spec messages', async function() {
     const reporter = jasmine.createSpyObj('fakeReporter', ['specDone']);
 
diff --git a/src/core/Runner.js b/src/core/Runner.js
index 10df5195..0f743c7f 100644
--- a/src/core/Runner.js
+++ b/src/core/Runner.js
@@ -51,7 +51,7 @@ getJasmineRequireObj().Runner = function(j$) {
 
       const order = new j$.Order({
         random: config.random,
-        seed: config.seed
+        seed: j$.isNumber_(config.seed) ? config.seed + '' : config.seed
       });
 
       const processor = new j$.TreeProcessor({