diff --git a/maxscale-system-test/test_ctrl_c/start_killer.sh b/maxscale-system-test/test_ctrl_c/start_killer.sh
index 697db3571..b5998a86b 100755
--- a/maxscale-system-test/test_ctrl_c/start_killer.sh
+++ b/maxscale-system-test/test_ctrl_c/start_killer.sh
@@ -1,3 +1,3 @@
 sleep 5
-sudo /usr/bin/killall maxscale -s INT
+sudo /usr/bin/killall maxscale -s INT || sudo pkill -INT maxscale
 
diff --git a/maxscale-system-test/test_ctrl_c/test_ctrl_c.sh b/maxscale-system-test/test_ctrl_c/test_ctrl_c.sh
index 0eb2d64d8..be17ee7f7 100755
--- a/maxscale-system-test/test_ctrl_c/test_ctrl_c.sh
+++ b/maxscale-system-test/test_ctrl_c/test_ctrl_c.sh
@@ -10,7 +10,7 @@ fi
 
 T="$(date +%s)"
 
-sudo maxscale -d -U root
+sudo maxscale -d -U maxscale
 if [ $? -ne 0 ] ; then
 	exit 1
 fi