diff --git a/entrypoint b/entrypoint
index 71387c8..861a328 100755
--- a/entrypoint
+++ b/entrypoint
@@ -130,10 +130,10 @@ if [ ! -f "$userConfFinalPath" ]; then
 
     # Generate unique ssh keys for this container, if needed
     if [ ! -f /etc/ssh/ssh_host_ed25519_key ]; then
-        ssh-keygen -t ed25519 -f /etc/ssh/ssh_host_ed25519_key < /dev/null
+        ssh-keygen -t ed25519 -f /etc/ssh/ssh_host_ed25519_key -N ''
     fi
     if [ ! -f /etc/ssh/ssh_host_rsa_key ]; then
-        ssh-keygen -t rsa -b 4096 -f /etc/ssh/ssh_host_rsa_key < /dev/null
+        ssh-keygen -t rsa -b 4096 -f /etc/ssh/ssh_host_rsa_key -N ''
     fi
 fi