diff --git a/utils/TerraSync/terrasync.cxx b/utils/TerraSync/terrasync.cxx
index d15078d9a..c70fbaa2b 100644
--- a/utils/TerraSync/terrasync.cxx
+++ b/utils/TerraSync/terrasync.cxx
@@ -61,6 +61,7 @@
 #    include <svn_client.h>
 #    include <svn_cmdline.h>
 #    include <svn_pools.h>
+#    include <svn_version.h>
 #  else
 #    undef HAVE_SVN_CLIENT_H
 #  endif