diff --git a/clearurls.js b/clearurls.js
index 25cf921..95913cd 100644
--- a/clearurls.js
+++ b/clearurls.js
@@ -13,7 +13,7 @@ function fetchFromURL(url)
     }
 }
 
-var data = fetchFromURL('https://raw.githubusercontent.com/KevinRoebert/ClearUrls/master/data/data.json');
+var data = fetchFromURL('https://raw.githubusercontent.com/KevinRoebert/ClearUrls/master/data/data.json') || [];
 var providers = [];
 // ##################################################################
 
@@ -200,6 +200,9 @@ function createProviders()
         //Create new provider
         providers.push(new Provider(data.providers[p],data.providers[p].completeProvider));
 
+        //Add URL Pattern
+        providers[p].setURLPattern(data.providers[p].urlPattern);
+
         //Add rules to provider
         for(var r = 0; r < data.providers[p].rules.length; r++)
         {
diff --git a/data/data.json b/data/data.json
index 5a0a098..9f70f6c 100644
--- a/data/data.json
+++ b/data/data.json
@@ -1,7 +1,7 @@
 {
     "providers": {
         "amazon": {
-            "urlPattern": "",
+            "urlPattern": "(https:\\/\\/||http:\\/\\/).*(\\.amazon\\.)\\w{2,}\\/.*",
             "completeProvider": true,
             "rules": [
                 "pf_rd_[a-zA-Z]=[a-zA-Z0-9\\-\\.\\_]*[\\?|&]?",