Index: lib/redmine/scm/adapters/subversion_adapter.rb
===================================================================
--- lib/redmine/scm/adapters/subversion_adapter.rb	(revision 1646)
+++ lib/redmine/scm/adapters/subversion_adapter.rb	(working copy)
@@ -28,7 +28,7 @@
         
         class << self
           def client_version
-            @@client_version ||= (svn_binary_version || 'Unknown version')
+            @@client_version ||= (svn_binary_version || [])
           end
           
           def svn_binary_version