diff --git a/targets/SIMU/EXAMPLES/ETH_EMUL_1eNB_1UE/start_enb b/targets/SIMU/EXAMPLES/ETH_EMUL_1eNB_1UE/start_enb
index 8bc270f25d..5725973563 100755
--- a/targets/SIMU/EXAMPLES/ETH_EMUL_1eNB_1UE/start_enb
+++ b/targets/SIMU/EXAMPLES/ETH_EMUL_1eNB_1UE/start_enb
@@ -1,5 +1,6 @@
 #!/bin/sh
 
+sudo kill -9 `ps -ef | grep oaisim | awk '{print $2}'`
 sudo pkill oaisim
 
 # set params
diff --git a/targets/SIMU/EXAMPLES/ETH_EMUL_1eNB_1UE/start_ue b/targets/SIMU/EXAMPLES/ETH_EMUL_1eNB_1UE/start_ue
index d9dcaf98df..c10b4bbb45 100755
--- a/targets/SIMU/EXAMPLES/ETH_EMUL_1eNB_1UE/start_ue
+++ b/targets/SIMU/EXAMPLES/ETH_EMUL_1eNB_1UE/start_ue
@@ -1,5 +1,6 @@
 #!/bin/sh
 
+sudo kill -9 `ps -ef | grep oaisim | awk '{print $2}'`
 sudo pkill oaisim
 
 # set params