diff --git a/ttcn3-nitb-sysinfo/Dockerfile b/ttcn3-nitb-sysinfo/Dockerfile
index 39860f28..8cd9e585 100644
--- a/ttcn3-nitb-sysinfo/Dockerfile
+++ b/ttcn3-nitb-sysinfo/Dockerfile
@@ -22,5 +22,5 @@ COPY	Test.cfg /data/Test.cfg
 CMD	cd /data && \
 	/osmo-ttcn3-hacks/start-testsuite.sh /osmo-ttcn3-hacks/sysinfo/Test; \
 	exit_code=$?; \
-	/osmo-ttcn3-hacks/log_merge.sh Test; \
+	/osmo-ttcn3-hacks/log_merge.sh Test --rm; \
 	exit $exit_code