diff --git a/lib/cartodb/middleware/rate-limit.js b/lib/cartodb/middleware/rate-limit.js
index 887c66d7..004cc0ab 100644
--- a/lib/cartodb/middleware/rate-limit.js
+++ b/lib/cartodb/middleware/rate-limit.js
@@ -18,22 +18,22 @@ const RATE_LIMIT_ENDPOINTS_GROUPS = {
     NAMED_TILES: 'named_tiles'
 };
 
-function rateLimitFn(userLimitsApi, endpointGroup = null) {
+function rateLimit(userLimitsApi, endpointGroup = null) {
     if (isRateLimitEnabled(endpointGroup)) {
         return function rateLimitDisabledMiddleware(req, res, next) { next(); };
     }
 
     return function rateLimitMiddleware(req, res, next) {
-        userLimitsApi.getRateLimit(res.locals.user, endpointGroup, function (err, rateLimit) {
+        userLimitsApi.getRateLimit(res.locals.user, endpointGroup, function (err, userRateLimit) {
             if (err) {
                 return next(err);
             }
 
-            if (!rateLimit) {
+            if (!userRateLimit) {
                 return next();
             }
 
-            const [isBlocked, limit, remaining, retry, reset] = rateLimit;
+            const [isBlocked, limit, remaining, retry, reset] = userRateLimit;
 
             res.set({
                 'X-Rate-Limit-Limit': limit,
@@ -60,5 +60,5 @@ function isRateLimitEnabled(endpointGroup) {
         global.environment.enabledFeatures.rateLimitsByEndpoint[endpointGroup];
 }
 
-module.exports = rateLimitFn;
+module.exports = rateLimit;
 module.exports.RATE_LIMIT_ENDPOINTS_GROUPS = RATE_LIMIT_ENDPOINTS_GROUPS;