diff --git a/lib/OpenLayers/Layer/WFS.js b/lib/OpenLayers/Layer/WFS.js
index b30ba55efb..1f029ab8b2 100644
--- a/lib/OpenLayers/Layer/WFS.js
+++ b/lib/OpenLayers/Layer/WFS.js
@@ -126,6 +126,9 @@ OpenLayers.Layer.WFS = OpenLayers.Class(
             !OpenLayers.Feature.Vector) {
             this.vectorMode = false;
         }    
+
+        // Uppercase params
+        params = OpenLayers.Util.upperCaseObject(params);
         
         // Turn off error reporting, browsers like Safari may work
         // depending on the setup, and we don't want an unneccesary alert.
diff --git a/tests/Layer/WFS.html b/tests/Layer/WFS.html
index 461844892d..a74b782652 100644
--- a/tests/Layer/WFS.html
+++ b/tests/Layer/WFS.html
@@ -134,7 +134,7 @@
             map.setCenter(new OpenLayers.LonLat(-100, 60), 3);
         } catch (Exception) {
         }    
-        t.eq(layer.tile.url, "http://www.bsc-eoc.org/cgi-bin/bsc_ows.asp?typename=OWLS&maxfeatures=10&SERVICE=WFS&VERSION=1.0.0&REQUEST=GetFeature&SRS=EPSG%3A4326&BBOX=-187.890625,-36.6796875,-12.109375,156.6796875", "Tile URL is set correctly when not encoded");
+        t.eq(layer.tile.url, "http://www.bsc-eoc.org/cgi-bin/bsc_ows.asp?TYPENAME=OWLS&MAXFEATURES=10&SERVICE=WFS&VERSION=1.0.0&REQUEST=GetFeature&SRS=EPSG%3A4326&BBOX=-187.890625,-36.6796875,-12.109375,156.6796875", "Tile URL is set correctly when not encoded");
         map.destroy();     
         var map = new OpenLayers.Map('map');
         layer = new OpenLayers.Layer.WMS( "OpenLayers WMS", 
@@ -152,7 +152,7 @@
             map.setCenter(new OpenLayers.LonLat(-100, 60), 3);
         } catch (Exception) {
         }  
-        t.eq(layer.tile.url, "http://www.bsc-eoc.org/cgi-bin/bsc_ows.asp?typename=OWLS&maxfeatures=10&SERVICE=WFS&VERSION=1.0.0&REQUEST=GetFeature&SRS=EPSG%3A4326&BBOX=-187.890625%2C-36.679687%2C-12.109375%2C156.679688", "Tile URL is set correctly when not encoded");
+        t.eq(layer.tile.url, "http://www.bsc-eoc.org/cgi-bin/bsc_ows.asp?TYPENAME=OWLS&MAXFEATURES=10&SERVICE=WFS&VERSION=1.0.0&REQUEST=GetFeature&SRS=EPSG%3A4326&BBOX=-187.890625%2C-36.679687%2C-12.109375%2C156.679688", "Tile URL is set correctly when not encoded");
         map.destroy();     
     }
     function test_projection_srs(t) {