diff --git a/setup_eth_course_rooms/update_installer.sh b/setup_eth_course_rooms/update_installer.sh
index f5e6d0b5b9d646b9322e03624dec3ad27426cdda..9cf8a4b6dfd75198ef2a2052c0926a0dea36dd0e 100755
--- a/setup_eth_course_rooms/update_installer.sh
+++ b/setup_eth_course_rooms/update_installer.sh
@@ -25,7 +25,7 @@ SCP_TARGET=${REMOTE_LOGIN}:${REMOTE_WEB_FOLDER}
 
 # end of user settings, edits from here on only if you know what you do.
 
-LOCAL_BUILD_FOLDER=$(pwd)/installer-build-tmp/
+LOCAL_BUILD_FOLDER=$(pwd)/build
 
 # create fresh folder structure to build archive with notebooks
 rm -rf ${LOCAL_BUILD_FOLDER}
@@ -40,10 +40,12 @@ for NOTEBOOK in ${NOTEBOOKS}; do
     echo process ${NOTEBOOK}
 
     TARGET=${LOCAL_BUILD_FOLDER}/course/${NOTEBOOK}
-    nb-filter-cells -i $NOTEBOOK -t solution -o ${TARGET}
+    echo ${TARGET}
+    nb-filter-cells -i $NOTEBOOK -t solution | nb-filter-cells -t TODO -o ${TARGET}
 
     TARGET=${LOCAL_BUILD_FOLDER}/solutions/${NOTEBOOK%.ipynb}-with-solutions.ipynb
-    cp $NOTEBOOK ${TARGET}
+    nb-filter-cells -i $NOTEBOOK -t TODO -o ${TARGET}
+    # cp $NOTEBOOK ${TARGET}
 done
 
 echo scp graphics