diff --git a/tiptop.be0 b/tiptop.be0
index fe6e55788..c3e9c20cf 100755
--- a/tiptop.be0
+++ b/tiptop.be0
@@ -7,7 +7,7 @@ SRCURL[0]="https://beehive.molgen.mpg.de/4a24ef05d8a153cb0e79666e5a20472f/tiptop
 
 # PATCHURL+=()
 
-# build_in_sourcedir
+build_in_sourcedir
 
 # sourcesubdir_append src