diff --git a/app/assets/javascripts/fp/map/map-options.js b/app/assets/javascripts/fp/map/map-options.js
index 4a2fb9c9..dfa9cda0 100644
--- a/app/assets/javascripts/fp/map/map-options.js
+++ b/app/assets/javascripts/fp/map/map-options.js
@@ -24,11 +24,11 @@
   // fits Leaflet's template requirements
   // http://leafletjs.com/reference.html#tilelayer
   utils.isTemplateString = function(str) {
-    var re = /^https?:\/\/(\{[s]\})?[\/\w\.\-\?\+\*_\|~:\[\]@#!\$'\(\),=&]*\{[zxy]\}\/\{[zxy]\}\/\{[zxy]\}[\/\w\.\-\?\+\*_\|~:\[\]@#!\$'\(\),=&]*(jpg|png)([\/\w\.\-\?\+\*_\|~:\[\]@#!\$'\(\),=&]*)?$/gi;
+    var re = /^https?:\/\/(\{[s]\})?[\/\w\.\-\?\+\*_\|~:\[\]@#!\$'\(\),=&]*\{[zxy]\}\/\{[zxy]\}\/\{[zxy]\}[\/\w\.\-\?\+\*_\|~:\[\]@#!\$'\(\),=&]*$/gi;
     return re.test(str);
   };
 
   utils.conformTemplate = function(template) {
     return template.replace('{S}','{s}').replace('{X}','{x}').replace('{Y}','{y}').replace('{Z}','{z}');
   };
-})(this);
\ No newline at end of file
+})(this);
diff --git a/app/models/atlas.rb b/app/models/atlas.rb
index 7db49220..a830335d 100644
--- a/app/models/atlas.rb
+++ b/app/models/atlas.rb
@@ -104,7 +104,7 @@ class Atlas < ActiveRecord::Base
   # have multiple URL templates not including OVERLAYS
   def provider_valid
     p = get_provider_without_overlay
-    if /\Ahttps?:\/\/(\{[s]\})?[\/\w\.\-\?\+\*_\|~:\[\]@#!\$'\(\),=&]*\{[zxy]\}\/\{[zxy]\}\/\{[zxy]\}[\/\w\.\-\?\+\*_\|~:\[\]@#!\$'\(\),=&]*(jpg|png)([\/\w\.\-\?\+\*_\|~:\[\]@#!\$'\(\),=&]*)?\z/i !~ p
+    if /\Ahttps?:\/\/(\{[s]\})?[\/\w\.\-\?\+\*_\|~:\[\]@#!\$'\(\),=&]*\{[zxy]\}\/\{[zxy]\}\/\{[zxy]\}[\/\w\.\-\?\+\*_\|~:\[\]@#!\$'\(\),=&]*\z/i !~ p
       errors.add(:provider, "Invalid URL template")
     end
   end
@@ -577,4 +577,4 @@ def http_client
     end
   end
 
-end
\ No newline at end of file
+end