diff --git a/maxscale-system-test/mariadb_nodes.cpp b/maxscale-system-test/mariadb_nodes.cpp
index 4a063ac16..8d417376f 100644
--- a/maxscale-system-test/mariadb_nodes.cpp
+++ b/maxscale-system-test/mariadb_nodes.cpp
@@ -188,7 +188,7 @@ int Mariadb_nodes::read_env()
             }
             else
             {
-                sprintf(start_db_command[i], "%s", "service mysql stop");
+                sprintf(stop_db_command[i], "%s", "service mysql stop");
             }
 
             //reading cleanup_db_command
diff --git a/maxscale-system-test/mdbci/set_env.sh b/maxscale-system-test/mdbci/set_env.sh
index da1608a19..86459e8d1 100644
--- a/maxscale-system-test/mdbci/set_env.sh
+++ b/maxscale-system-test/mdbci/set_env.sh
@@ -70,7 +70,7 @@ do
 			else
 				${mdbci_dir}/mdbci ssh --command 'echo \"/usr/sbin/mysqld \$* 2> stderr.log > stdout.log &\" > mysql_start.sh; echo \"sleep 20\" >> mysql_start.sh; echo \"disown\" >> mysql_start.sh; chmod a+x mysql_start.sh' $config_name/node_$num --silent
         	                eval 'export $start_cmd_var="/home/$au/mysql_start.sh "'
-				eval 'export $start_cmd_var="killall mysqld "'
+				eval 'export $stop_cmd_var="killall mysqld "'
 			fi
 		else
 			eval 'export $start_cmd_var="$mysql_exe start "'