Index: C:/maven-changelog-plugin/src/main/org/apache/maven/changelog/ChangeLog.java
===================================================================
--- C:/maven-changelog-plugin/src/main/org/apache/maven/changelog/ChangeLog.java	(revision 233048)
+++ C:/maven-changelog-plugin/src/main/org/apache/maven/changelog/ChangeLog.java	(working copy)
@@ -461,13 +461,18 @@
     {
         if ( clFactoryClass == null )
         {
-            if ( connection == null || connection.length() < 7 || !connection.startsWith( "scm:" ) )
+            //Connection Format: scm:<provider>[:<provider specific connection string>]
+            if ( connection == null || connection.length() < 5 || !connection.startsWith("scm:") )
             {
                 LOG.warn( "Connection does not appear valid" );
             }
             else
             {
-                clFactoryClass = (String) FACTORIES.get( connection.substring( 4, 7 ) );
+                int iProviderEnd = connection.indexOf(":", 4);
+                if (iProviderEnd == -1)
+                    iProviderEnd = connection.length(); // Connection = scm:<provider>
+
+                clFactoryClass = (String) FACTORIES.get(connection.substring(4, iProviderEnd));
             }
 
             if ( clFactoryClass == null )