diff --git a/wireguard/deploy-wg-clients.sh b/wireguard/deploy-wg-clients.sh
index 04f7ba6..9f1eb5b 100755
--- a/wireguard/deploy-wg-clients.sh
+++ b/wireguard/deploy-wg-clients.sh
@@ -9,6 +9,11 @@ if ! [[ $IP =~ ^[0-9]{1,3}$ ]] ; then
    echo "error: Please set IP variable (with IP=1-254. See https://phpipam.altinea.fr" >&2; exit 1
 fi
 
+if ! modprobe -q wireguard ; then
+  echo "Wireguard support missing. You should probably play with kernel headers and wireguard-dkms package"
+  exit 1
+fi
+
 # Create keys subdir, generate private and derive public key
 mkdir -p /etc/wireguard/keys
 umask 077 && wg genkey > /etc/wireguard/keys/private.key && wg pubkey < /etc/wireguard/keys/private.key > /etc/wireguard/keys/public.key && umask 0022