diff --git a/components/apimgt/org.wso2.carbon.apimgt.rest.api.publisher.v1.common/src/main/java/org/wso2/carbon/apimgt/rest/api/publisher/v1/common/mappings/PublisherCommonUtils.java b/components/apimgt/org.wso2.carbon.apimgt.rest.api.publisher.v1.common/src/main/java/org/wso2/carbon/apimgt/rest/api/publisher/v1/common/mappings/PublisherCommonUtils.java
index dd7cbccb9a95..3b20d3818def 100755
--- a/components/apimgt/org.wso2.carbon.apimgt.rest.api.publisher.v1.common/src/main/java/org/wso2/carbon/apimgt/rest/api/publisher/v1/common/mappings/PublisherCommonUtils.java
+++ b/components/apimgt/org.wso2.carbon.apimgt.rest.api.publisher.v1.common/src/main/java/org/wso2/carbon/apimgt/rest/api/publisher/v1/common/mappings/PublisherCommonUtils.java
@@ -205,9 +205,10 @@ public static API updateApi(API originalAPI, APIDTO apiDtoToUpdate, APIProvider
     public static JSONObject updateCustomBackend(API api, APIProvider apiProvider, String endpointType,
             InputStream customBackend, String contentDecomp) throws APIManagementException {
         String fileName = getFileNameFromContentDisposition(contentDecomp);
-        if (fileName == null)
+        if (fileName == null) {
             throw new APIManagementException(
                     "Error when retrieving Custom Backend file name of API: " + api.getId().getApiName());
+        }
         String seqName = APIUtil.getCustomBackendName(api.getUuid(), endpointType);
         String customBackendUUID = UUID.randomUUID().toString();
         apiProvider.updateCustomBackend(api, endpointType, customBackend, seqName, customBackendUUID);