diff --git a/run b/run
index 1ecb1af..d155181 100755
--- a/run
+++ b/run
@@ -19,7 +19,7 @@ screen -dmS gnb ./gnb -c /opt/oran-sc-ric/e2-agents/srsRAN/gnb_zmq.yaml
 
 #start ping
 sleep 15
-screen -dmS ping ping ip netns exec ue1 ping -i $(LC_ALL=C printf "%.1f" 0.1) 10.45.1.1
+LC_ALL=C screen -dmS ping ip netns exec ue1 ping -i 0,1 10.45.1.1
 
 #start xapp
 sleep 15