diff --git a/components/device-mgt/org.wso2.carbon.device.mgt.ui/src/main/resources/jaggeryapps/devicemgt/app/modules/api-wrapper-util.js b/components/device-mgt/org.wso2.carbon.device.mgt.ui/src/main/resources/jaggeryapps/devicemgt/app/modules/api-wrapper-util.js
index 76474fb098a..1a518bcf22b 100644
--- a/components/device-mgt/org.wso2.carbon.device.mgt.ui/src/main/resources/jaggeryapps/devicemgt/app/modules/api-wrapper-util.js
+++ b/components/device-mgt/org.wso2.carbon.device.mgt.ui/src/main/resources/jaggeryapps/devicemgt/app/modules/api-wrapper-util.js
@@ -20,6 +20,7 @@ var apiWrapperUtil = function () {
     var module = {};
     var tokenUtil = require("/app/modules/util.js").util;
     var constants = require("/app/modules/constants.js");
+    var constants = require("/app/modules/constants.js");
 
     module.refreshToken = function () {
         var tokenPair = session.get(constants.ACCESS_TOKEN_PAIR_IDENTIFIER);
@@ -32,12 +33,12 @@ var apiWrapperUtil = function () {
         var clientData = tokenUtil.getDyanmicCredentials(properties);
         var encodedClientKeys = tokenUtil.encode(clientData.clientId + ":" + clientData.clientSecret);
         session.put(constants.ENCODED_CLIENT_KEYS_IDENTIFIER, encodedClientKeys);
-        if (type == "password") {
+        if (type == constants.GRANT_TYPE_PASSWORD) {
             tokenPair =
                 tokenUtil.getTokenWithPasswordGrantType(properties.username, encodeURIComponent(properties.password), encodedClientKeys);
-        } else if (type == "saml") {
+        } else if (type == constants.GRANT_TYPE_SAML) {
             tokenPair = tokenUtil.
-                getTokenWithSAMLGrantType(properties.samlToken, encodedClientKeys, "PRODUCTION");
+            getTokenWithSAMLGrantType(properties.samlToken, encodedClientKeys, "PRODUCTION");
         }
         session.put(constants.ACCESS_TOKEN_PAIR_IDENTIFIER, tokenPair);
     };
diff --git a/components/device-mgt/org.wso2.carbon.device.mgt.ui/src/main/resources/jaggeryapps/devicemgt/app/modules/constants.js b/components/device-mgt/org.wso2.carbon.device.mgt.ui/src/main/resources/jaggeryapps/devicemgt/app/modules/constants.js
index f5a5b83348b..9e2d1469fbb 100644
--- a/components/device-mgt/org.wso2.carbon.device.mgt.ui/src/main/resources/jaggeryapps/devicemgt/app/modules/constants.js
+++ b/components/device-mgt/org.wso2.carbon.device.mgt.ui/src/main/resources/jaggeryapps/devicemgt/app/modules/constants.js
@@ -48,8 +48,8 @@ var LANGUAGE_US = "en_US";
 
 var VENDOR_APPLE = "Apple";
 var ERRORS = {
-        "USER_NOT_FOUND": "USER_NOT_FOUND"
-    };
+    "USER_NOT_FOUND": "USER_NOT_FOUND"
+};
 
 var USER_STORES_NOISY_CHAR = "\"";
 var USER_STORES_SPLITTING_CHAR = "\\n";
@@ -70,6 +70,9 @@ var HTTP_POST = "POST";
 var HTTP_PUT = "PUT";
 var HTTP_DELETE = "DELETE";
 
+var GRANT_TYPE_PASSWORD = "password";
+var GRANT_TYPE_SAML = "saml";
+
 var MQTT_QUEUE_CONFIG_NAME = "MQTT";
 
 var HTTP_CONFLICT = 409;