diff --git a/app/common/enums.js b/app/common/enums.js
index d047240..a23a6a0 100644
--- a/app/common/enums.js
+++ b/app/common/enums.js
@@ -12,8 +12,6 @@ const AD_CATEGORY = {
   CATEGORY_GARAGE: "GARAGE"
 };
 
-const IGNORED_USERNAMES = [];
-
 const AD_STATUS = {
   STATUS_NORMAL: 1,
   STATUS_RESERVED: 2,
diff --git a/app/crawler/crawlerConfig.js b/app/crawler/crawlerConfig.js
index a602ad8..2b457bc 100644
--- a/app/crawler/crawlerConfig.js
+++ b/app/crawler/crawlerConfig.js
@@ -14,17 +14,24 @@ const olxParsedCrawlerAdCategories =
       )
     : ["CATEGORY_FLAT", "CATEGORY_HOUSE"];
 
+const olxIgnoredUsernames =
+  process.env.OLX_IGNORED_USERNAMES !== undefined
+    ? process.env.OLX_IGNORED_USERNAMES.split(",").map(username =>
+        username.trim()
+      )
+    : [];
+
 const transformedCrawlerAdCategories = olxParsedCrawlerAdCategories
   .map(categoryName => AD_CATEGORY[categoryName])
   .filter(category => !!category);
 
 const OLX_CONFIG = {
-  OLX_MAX_PAGES: parseInt(process.env.MAX_PAGES) || 500,
+  OLX_MAX_PAGES: parseInt(process.env.OLX_MAX_PAGES) || 500,
   OLX_MAX_RESULTS_PER_PAGE:
     parseInt(process.env.OLX_MAX_RESULTS_PER_PAGE) || 50,
   OLX_CRAWLER_AD_TYPE: olxCrawlerAdType || CRAWLER_AD_TYPE.NONE,
   OLX_CRAWLER_AD_CATEGORIES: transformedCrawlerAdCategories,
-  OLX_MAX_AGE: parseInt(process.env.OLX_MAX_AGE) || 30
+  OLX_IGNORED_USERNAMES: olxIgnoredUsernames || []
 };
 
 module.exports = {