diff --git a/roles/check_nfv_ovsdpdk_zero_packet_loss/tasks/main.yml b/roles/check_nfv_ovsdpdk_zero_packet_loss/tasks/main.yml
index dfb60a956..d42f50cd4 100644
--- a/roles/check_nfv_ovsdpdk_zero_packet_loss/tasks/main.yml
+++ b/roles/check_nfv_ovsdpdk_zero_packet_loss/tasks/main.yml
@@ -58,7 +58,7 @@
 - name: Get nova_libvirt_launcher Process
   become: true
   shell: |-
-    ps -Leaf | grep nova_libvirt_launcher.sh | grep -v pts | awk '{printf "%s", $2}'
+    ps -Leaf | grep nova_libvirt_launcher.sh | grep -v pts -m 1 | awk '{print $2}'
   register: nova_libvirt_launcher
 
 - name: Get nova libvirt namespace processes