diff --git a/get_results.sh b/get_results.sh
index 17c806c3..adf4ac74 100755
--- a/get_results.sh
+++ b/get_results.sh
@@ -91,5 +91,6 @@ tap_cmd=()
 for t in "${SCEN[@]}" ; do
   tap_cmd+=( "result/${GROUP}/${t}/"*tap )
 done
-prove -f -Q "${tap_cmd[@]}" |grep 'Failed:'|awk -F/ '{print $3}'|uniq > "result/${GROUP}/result_failed.txt"
+prove -f -Q "${tap_cmd[@]}"|tee "result/${GROUP}/prove.log"
+grep 'Failed:' "result/${GROUP}/prove.log"|awk -F/ '{print $3}'|uniq > "result/${GROUP}/result_failed.txt"
 exit ${status}