diff --git a/unstack.sh b/unstack.sh
index 34195c2..09e0de6 100755
--- a/unstack.sh
+++ b/unstack.sh
@@ -62,6 +62,11 @@
     stop_horizon
 fi
 
+# Kill TLS proxies
+if is_service_enabled tls-proxy; then
+    killall stud
+fi
+
 SCSI_PERSIST_DIR=$CINDER_STATE_PATH/volumes/*
 
 # Get the iSCSI volumes