diff --git a/modoboa_installer/scripts/files/nginx/automx.conf.tpl b/modoboa_installer/scripts/files/nginx/automx.conf.tpl
index 1bd748c..26e3155 100644
--- a/modoboa_installer/scripts/files/nginx/automx.conf.tpl
+++ b/modoboa_installer/scripts/files/nginx/automx.conf.tpl
@@ -3,8 +3,8 @@ upstream automx {
 }
 
 server {
-    listen 80;
-    listen [::]:80;
+    listen 80 http2;
+    listen [::]:80 http2;
     server_name %hostname;
     root /srv/automx/instance;
 
diff --git a/modoboa_installer/scripts/files/nginx/modoboa.conf.tpl b/modoboa_installer/scripts/files/nginx/modoboa.conf.tpl
index e2b3d78..9e60227 100644
--- a/modoboa_installer/scripts/files/nginx/modoboa.conf.tpl
+++ b/modoboa_installer/scripts/files/nginx/modoboa.conf.tpl
@@ -10,8 +10,8 @@ server {
 }
 
 server {
-    listen 443 ssl;
-    listen [::]:443 ssl;
+    listen 443 ssl http2;
+    listen [::]:443 ssl http2;
     server_name %hostname;
     root %app_instance_path;