diff --git a/sdk/datafactory/mgmt-v2018_06_01/src/main/java/com/microsoft/azure/management/datafactory/v2018_06_01/implementation/PipelinesInner.java b/sdk/datafactory/mgmt-v2018_06_01/src/main/java/com/microsoft/azure/management/datafactory/v2018_06_01/implementation/PipelinesInner.java
index 1947c3c2451b3..0dafea4071ca2 100644
--- a/sdk/datafactory/mgmt-v2018_06_01/src/main/java/com/microsoft/azure/management/datafactory/v2018_06_01/implementation/PipelinesInner.java
+++ b/sdk/datafactory/mgmt-v2018_06_01/src/main/java/com/microsoft/azure/management/datafactory/v2018_06_01/implementation/PipelinesInner.java
@@ -20,6 +20,7 @@
 import com.microsoft.rest.ServiceResponse;
 import com.microsoft.rest.Validator;
 import java.io.IOException;
+import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 import okhttp3.ResponseBody;
@@ -766,7 +767,7 @@ public Observable<ServiceResponse<CreateRunResponseInner>> createRunWithServiceR
         final Boolean isRecovery = null;
         final String startActivityName = null;
         final Boolean startFromFailure = null;
-        final Map<String, Object> parameters = null;
+        final Map<String, Object> parameters = new HashMap<>();
         return service.createRun(this.client.subscriptionId(), resourceGroupName, factoryName, pipelineName, this.client.apiVersion(), referencePipelineRunId, isRecovery, startActivityName, startFromFailure, parameters, this.client.acceptLanguage(), this.client.userAgent())
             .flatMap(new Func1<Response<ResponseBody>, Observable<ServiceResponse<CreateRunResponseInner>>>() {
                 @Override