diff --git a/slave/slave.sch b/slave/slave.sch
--- a/slave/slave.sch
+++ b/slave/slave.sch
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!DOCTYPE eagle SYSTEM "eagle.dtd">
-<eagle version="6.4">
+<eagle version="6.3">
 <drawing>
 <settings>
 <setting alwaysvectorfont="no"/>