diff --git a/polymer/synthesis.sh b/polymer/synthesis.sh
index 648f250b3..0a80c62f2 100755
--- a/polymer/synthesis.sh
+++ b/polymer/synthesis.sh
@@ -257,12 +257,14 @@ then
     done
 
     # throw the svn revision into a file the Makefile will read
-    echo "$head" > EDUKE32_REVISION
+    echo "$head" > ${basename}_$date-$head/EDUKE32_REVISION
 
     echo tar cJf ${basename}_src_$date-$head.tar.xz ${basename}_$date-$head
     tar cJf ${basename}_src_$date-$head.tar.xz ${basename}_$date-$head
     rm -r ${basename}_$date-$head
 
+    cd $top/$source
+
     # output the changelog since last snapshot in the output directory
     if [ $lastrevision ]
     then