diff --git a/components/apimgt/org.wso2.carbon.apimgt.impl/src/main/java/org/wso2/carbon/apimgt/impl/APIConsumerImpl.java b/components/apimgt/org.wso2.carbon.apimgt.impl/src/main/java/org/wso2/carbon/apimgt/impl/APIConsumerImpl.java
index 15d01823a9bd..eba5eb10b49f 100644
--- a/components/apimgt/org.wso2.carbon.apimgt.impl/src/main/java/org/wso2/carbon/apimgt/impl/APIConsumerImpl.java
+++ b/components/apimgt/org.wso2.carbon.apimgt.impl/src/main/java/org/wso2/carbon/apimgt/impl/APIConsumerImpl.java
@@ -111,6 +111,7 @@
 import org.wso2.carbon.apimgt.impl.utils.ContentSearchResultNameComparator;
 import org.wso2.carbon.apimgt.impl.utils.VHostUtils;
 import org.wso2.carbon.apimgt.impl.workflow.ApplicationDeletionApprovalWorkflowExecutor;
+import org.wso2.carbon.apimgt.impl.workflow.ApplicationRegistrationSimpleWorkflowExecutor;
 import org.wso2.carbon.apimgt.impl.workflow.GeneralWorkflowResponse;
 import org.wso2.carbon.apimgt.impl.workflow.WorkflowConstants;
 import org.wso2.carbon.apimgt.impl.workflow.WorkflowException;
@@ -2357,6 +2358,10 @@ else if (APIConstants.API_KEY_TYPE_SANDBOX.equals(tokenType)) {
             } else {
                 throw new APIManagementException("Invalid Token Type '" + tokenType + "' requested.");
             }
+            
+            if (appRegistrationWorkflow == null ) {
+                appRegistrationWorkflow = new ApplicationRegistrationSimpleWorkflowExecutor();
+            }
 
             //check whether callback url is empty and set null
             if (StringUtils.isBlank(callbackUrl)) {