diff --git a/vcl/default_3scale_only_proxy.vcl b/vcl/default_3scale_only_proxy.vcl
index c310657..218e2f6 100644
--- a/vcl/default_3scale_only_proxy.vcl
+++ b/vcl/default_3scale_only_proxy.vcl
@@ -101,9 +101,9 @@ sub vcl_recv {
 sub vcl_hash {
 
   set req.http.X-url-tmp = regsub(req.url,"[&?]user_key.[^&]*","");
-  set req.http.X-url-tmp = regsub(req.url,"[&?]user_id.[^&]*","");
-  set req.http.X-url-tmp = regsub(req.url,"[&?]app_key.[^&]*","");
-  set req.http.X-url-tmp = regsub(req.url,"[&?]app_id.[^&]*","");
+  set req.http.X-url-tmp = regsub(req.http.X-url-tmp,"[&?]user_id.[^&]*","");
+  set req.http.X-url-tmp = regsub(req.http.X-url-tmp,"[&?]app_key.[^&]*","");
+  set req.http.X-url-tmp = regsub(req.http.X-url-tmp,"[&?]app_id.[^&]*","");
 
   hash_data(req.http.X-url-tmp);
 
diff --git a/vcl/default_3scale_proxy_oauth.vcl b/vcl/default_3scale_proxy_oauth.vcl
index d0dd0e4..aaf8c75 100644
--- a/vcl/default_3scale_proxy_oauth.vcl
+++ b/vcl/default_3scale_proxy_oauth.vcl
@@ -129,9 +129,9 @@ sub vcl_hash {
     ## cache this is the place.
 
     set req.http.X-url-tmp = regsub(req.url,"[&?]user_key.[^&]*","");
-    set req.http.X-url-tmp = regsub(req.url,"[&?]user_id.[^&]*","");
-    set req.http.X-url-tmp = regsub(req.url,"[&?]app_key.[^&]*","");
-    set req.http.X-url-tmp = regsub(req.url,"[&?]app_id.[^&]*","");
+    set req.http.X-url-tmp = regsub(req.http.X-url-tmp,"[&?]user_id.[^&]*","");
+    set req.http.X-url-tmp = regsub(req.http.X-url-tmp,"[&?]app_key.[^&]*","");
+    set req.http.X-url-tmp = regsub(req.http.X-url-tmp,"[&?]app_id.[^&]*","");
 
     hash_data(req.http.X-url-tmp);
 
diff --git a/vcl/default_3scale_with_proxy.vcl b/vcl/default_3scale_with_proxy.vcl
index 2656952..ceca935 100644
--- a/vcl/default_3scale_with_proxy.vcl
+++ b/vcl/default_3scale_with_proxy.vcl
@@ -138,9 +138,9 @@ sub vcl_hash {
     ## cache this is the place.
 
     set req.http.X-url-tmp = regsub(req.url,"[&?]user_key.[^&]*","");
-    set req.http.X-url-tmp = regsub(req.url,"[&?]user_id.[^&]*","");
-    set req.http.X-url-tmp = regsub(req.url,"[&?]app_key.[^&]*","");
-    set req.http.X-url-tmp = regsub(req.url,"[&?]app_id.[^&]*","");
+    set req.http.X-url-tmp = regsub(req.http.X-url-tmp,"[&?]user_id.[^&]*","");
+    set req.http.X-url-tmp = regsub(req.http.X-url-tmp,"[&?]app_key.[^&]*","");
+    set req.http.X-url-tmp = regsub(req.http.X-url-tmp,"[&?]app_id.[^&]*","");
 
     hash_data(req.http.X-url-tmp);