diff --git a/helpers.sh b/helpers.sh
index 783ba21..f73eaea 100755
--- a/helpers.sh
+++ b/helpers.sh
@@ -84,10 +84,10 @@ fi
 sshd_config="/etc/ssh/sshd_config"
 if [[ "$BTCPAY_ENABLE_SSH" == "true" ]] && \
    [[ -f "$sshd_config" ]] && \
-   grep -Fxq "PermitRootLogin no" "$sshd_config"; then
+   grep -q "PermitRootLogin[[:space:]]no" "$sshd_config"; then
    echo "Updating "$sshd_config" (Change from 'PermitRootLogin no' to 'PermitRootLogin prohibit-password')"
    echo "BTCPay Server needs connection from inside the container to the host in order to run btcpay-update.sh"
-   sed -i 's/PermitRootLogin no/PermitRootLogin prohibit-password/' "$sshd_config"
+   sed -i 's/PermitRootLogin[[:space:]]no/PermitRootLogin prohibit-password/' "$sshd_config"
    service sshd reload
 fi