Index: trunk/src/org/openstreetmap/josm/data/imagery/GetCapabilitiesParseHelper.java
===================================================================
--- trunk/src/org/openstreetmap/josm/data/imagery/GetCapabilitiesParseHelper.java	(revision 12146)
+++ trunk/src/org/openstreetmap/josm/data/imagery/GetCapabilitiesParseHelper.java	(revision 12147)
@@ -5,4 +5,5 @@
 import java.net.MalformedURLException;
 import java.net.URL;
+import java.util.Locale;
 
 import javax.xml.namespace.QName;
@@ -202,8 +203,10 @@
      * @param crsIdentifier CRS identifier
      * @return CRS Identifier as it is used within JOSM (without prefix)
+     * @see <a href="https://portal.opengeospatial.org/files/?artifact_id=24045">
+     *     Definition identifier URNs in OGC namespace, chapter 7.2: URNs for single objects</a>
      */
     public static String crsToCode(String crsIdentifier) {
         if (crsIdentifier.startsWith("urn:ogc:def:crs:")) {
-            return crsIdentifier.replaceFirst("urn:ogc:def:crs:([^:]*):.*:(.*)$", "$1:$2");
+            return crsIdentifier.replaceFirst("urn:ogc:def:crs:([^:]*)(?::.*)?:(.*)$", "$1:$2").toUpperCase(Locale.ENGLISH);
         }
         return crsIdentifier;