diff --git a/utils/ci/check_manual_usage_example.sh b/utils/ci/check_manual_usage_example.sh
index 15a6869..75faf39 100755
--- a/utils/ci/check_manual_usage_example.sh
+++ b/utils/ci/check_manual_usage_example.sh
@@ -48,7 +48,7 @@
     timeout --version
 fi
 # Initial cleanup
-pkill -f 'screen -L -S sonemu' || true
+pkill -f 'SCREEN -L -S sonemu' || true
 screen -wipe || true
 rm -f screenlog.0