diff --git a/samples/client/petstore/objc/SwaggerClientTests/Tests/SWGApiClientTest.m b/samples/client/petstore/objc/SwaggerClientTests/Tests/SWGApiClientTest.m
index 3e13f618c29c..e9f1a46af3ba 100644
--- a/samples/client/petstore/objc/SwaggerClientTests/Tests/SWGApiClientTest.m
+++ b/samples/client/petstore/objc/SwaggerClientTests/Tests/SWGApiClientTest.m
@@ -152,6 +152,12 @@
     result = [self.apiClient sanitizeForSerialization:data];
     XCTAssertEqualObjects(result, data);
     
+    // NSArray of models
+    NSArray *arrayOfPetDict = @[petDict];
+    data = [NSArray arrayWithObject:[[SWGPet alloc] initWithDictionary:petDict error:nil]];
+    result = [self.apiClient sanitizeForSerialization:data];
+    XCTAssertEqualObjects(result, arrayOfPetDict);
+    
     // NSDictionary
     data = @{@"test key": @"test value"};
     result = [self.apiClient sanitizeForSerialization:data];