diff --git a/tools/build_uec.sh b/tools/build_uec.sh
index 7e91e22..3eafe5e 100755
--- a/tools/build_uec.sh
+++ b/tools/build_uec.sh
@@ -188,7 +188,7 @@ ROOTSLEEP=0
 `cat $TOP_DIR/localrc`
 LOCAL_EOF
 # Disable byobu
-byobu-disable
+/usr/bin/byobu-disable
 EOF
 
 # Setup stack user with our key