diff --git a/src/templates/nginx/mod.rs b/src/templates/nginx/mod.rs
index aa2992d..8cbcc47 100644
--- a/src/templates/nginx/mod.rs
+++ b/src/templates/nginx/mod.rs
@@ -27,8 +27,10 @@ mod test {
         "/challenges_snippet.conf"
       ),
       "server {
-    listen                  443 ssl http2;
-    listen                  [::]:443 ssl http2;
+    listen                  443 ssl;
+    listen                  [::]:443 ssl;
+    http2                   on;
+
     server_name             testdomain;
     include                 \"/challenges_snippet.conf\";
 
diff --git a/src/templates/nginx/server.rs b/src/templates/nginx/server.rs
index 4e35b2d..cf90cf5 100644
--- a/src/templates/nginx/server.rs
+++ b/src/templates/nginx/server.rs
@@ -24,8 +24,10 @@ pub fn server_config<D: Display, C: AsRef<Path>, K: AsRef<Path>, T: Display, S:
 ) -> String {
   format!(
     "server {{
-    listen                  443 ssl http2;
-    listen                  [::]:443 ssl http2;
+    listen                  443 ssl;
+    listen                  [::]:443 ssl;
+    http2                   on;
+
     server_name             {};
     include                 \"{}\";