diff --git a/scripts/l4sys/l4sys-prepare.sh b/scripts/l4sys/l4sys-prepare.sh
index 426c7b19..dc7c8372 100755
--- a/scripts/l4sys/l4sys-prepare.sh
+++ b/scripts/l4sys/l4sys-prepare.sh
@@ -13,7 +13,7 @@
 
 BAK=experimentInfo.hpp.bak
 CFG=experimentInfo.hpp
-FAIL_CMD="fail-client -q -rc bochs-dbg.rc"
+FAIL_CMD="fail-client -q" # -rc bochs-dbg.rc"
 FAILDIR=/home/doebel/src/fail
 
 function buildfail {
@@ -57,6 +57,10 @@ cat $BAK.3 | sed -e "s/PREPARATION_STEP.*/PREPARATION_STEP 0/">$CFG
 rm $BAK $BAK.2 $BAK.3
 buildfail
 
+echo -e "\033[35;1m[$(date)] ================== Step 5: Trace Import/Prune ==============\033[0m"
+import-trace --importer RegisterImporter -e fiasco.image -d fail
+prune-trace -d fail
+
 echo -e "\033[32;1m=========================================================================================="
 echo "[$(date)] Preparations are finished. Happy injecting...."
 echo -e "==========================================================================================\033[0m"