diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8cad937..ad95fbc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -34,6 +34,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 - Installation on raspberry pi 4
 - Fail2ban configuration when Nginx is not installed
 - Wo-kernel systemd service start failure
+- Fix missing letsencrypt settings in wo.conf
 
 ### v3.11.4 - 2020-01-17
 
diff --git a/install b/install
index 951ec10..6ca8f6e 100755
--- a/install
+++ b/install
@@ -641,6 +641,12 @@ wo_woconf() {
         if grep -q "log.logging" /etc/wo/wo.conf; then
             sed -i "s/log.logging/log.colorlog/g" /etc/wo/wo.conf
         fi
+        if ! grep -q "letsencrypt" /etc/wo/wo.conf; then
+            echo -e '\n[letsencrypt]\n\nkeylength = "ec-384"' >>/etc/wo/wo.conf
+        fi
+        if ! grep -q "php" /etc/wo/wo.conf; then
+            echo -e '\n[php]\n\nversion = 7.3' >>/etc/wo/wo.conf
+        fi
     fi
 }