diff --git a/runtest.sh b/runtest.sh
index b111ede..6170db8 100755
--- a/runtest.sh
+++ b/runtest.sh
@@ -6,6 +6,8 @@ IFS=$'\n\t'
 
 source settings.env
 
+FAILURE_LOG="${TEST_FILE%.csv}-failures.log"
+
 # Check if email recipient is set
 if [ -z "$RECIPIENT" ]; then
   echo "[!] Please set the RECIPIENT variable in settings.env."