--- a/tests/cli_tests/iec61131_lang_test.bash	Thu Jul 20 16:16:05 2023 +0200
+++ b/tests/cli_tests/iec61131_lang_test.bash	Thu Jul 20 16:21:26 2023 +0200
@@ -7,7 +7,7 @@
 while read -t 5 -u ${COPROC[0]} line; do 
     echo "$line"
     if [[ "$line" == *ALL\ TESTS\ OK* ]]; then
-        pkill INT -s $COPROC_PID 
+        pkill -9 -s $COPROC_PID 
         exit 0
     fi
 done