diff --git a/packages/dynamite/dynamite_runtime/lib/src/dynamite_client.dart b/packages/dynamite/dynamite_runtime/lib/src/dynamite_client.dart
index e9a436e04dd..1f7f54127f1 100644
--- a/packages/dynamite/dynamite_runtime/lib/src/dynamite_client.dart
+++ b/packages/dynamite/dynamite_runtime/lib/src/dynamite_client.dart
@@ -450,7 +450,9 @@ class DynamiteClient {
 
     if (cookieJar != null) {
       final cookies = await cookieJar!.loadForRequest(uri);
-      request.headers['cookie'] = cookies.join('; ');
+      if (cookies.isNotEmpty) {
+        request.headers['cookie'] = cookies.join('; ');
+      }
     }
 
     final response = await httpClient.send(request);
diff --git a/packages/dynamite/dynamite_runtime/test/client_test.dart b/packages/dynamite/dynamite_runtime/test/client_test.dart
index 3b8e910f3c2..fe3dd47ad33 100644
--- a/packages/dynamite/dynamite_runtime/test/client_test.dart
+++ b/packages/dynamite/dynamite_runtime/test/client_test.dart
@@ -40,4 +40,19 @@ void main() {
     expect(cookies[1].name, 'c');
     expect(cookies[1].value, 'd');
   });
+
+  test('No cookies', () async {
+    final mockedClient = MockClient((request) async {
+      expect(request.headers['cookie'], isNull);
+      return Response('', 200);
+    });
+
+    final client = DynamiteClient(
+      uri,
+      httpClient: mockedClient,
+      cookieJar: cookieJar,
+    );
+
+    await client.executeRequest('GET', '', {}, null, null);
+  });
 }