diff --git a/conf/nginx.conf b/conf/nginx.conf
index 44389f2..14603f1 100644
--- a/conf/nginx.conf
+++ b/conf/nginx.conf
@@ -1,11 +1,12 @@
 location ^~ YNH_WWW_PATH {
-    alias YNH_WWW_FINALPATH/ ;
-    try_files $uri $uri/ /YNH_WWW_ROOTAPP/index.php?$query_string;
-    index /YNH_WWW_ROOTAPP/index.php;
+    alias YNH_WWW_FINALPATH/;
+    try_files $uri $uri/ /index.php?$query_string;
+    index YNH_WWW_ROOTPATH/index.php;
     
-    location YNH_WWW_ROOTPATH/ { try_files $uri $uri/ /YNH_WWW_ROOTAPP/index.php?$query_string; }
-    location YNH_WWW_ROOTPATH/api { try_files $uri $uri/ /YNH_WWW_ROOTAPP/api.php?$query_string; }
-    location YNH_WWW_ROOTPATH/admin { try_files $uri $uri/ /YNH_WWW_ROOTAPP/admin.php?$query_string; }
+    # These weird try_files ... see http://stackoverflow.com/a/35102259
+    location YNH_WWW_ROOTPATH/ { try_files $uri $uri/ YNH_WWW_ROOTAPP/index.php?$query_string; }
+    location YNH_WWW_ROOTPATH/api { try_files $uri $uri/ YNH_WWW_ROOTAPP/api.php?$query_string; }
+    location YNH_WWW_ROOTPATH/admin { try_files $uri $uri/ YNH_WWW_ROOTAPP/admin.php?$query_string; }
 
     location YNH_WWW_ROOTPATH/flarum {
         deny all;
diff --git a/scripts/install b/scripts/install
index 7103393..9494f66 100644
--- a/scripts/install
+++ b/scripts/install
@@ -1,7 +1,7 @@
 #!/bin/bash
 
 # Load extra functions
-source .functions       
+source .functions
 
 # Activate TRAP to stop the script if an error is detected
 TRAP_ON
@@ -108,10 +108,10 @@ ynh_mysql_create_db "$dbname" "$dbuser" "$dbpass"
 nginxconf="../conf/nginx.conf"
 if [ $path = "/" ]; then
     sed -i "s@YNH_WWW_ROOTPATH@@g" ../conf/nginx.conf
-    sed -i "s@/YNH_WWW_ROOTAPP@@g" ../conf/nginx.conf
+    sed -i "s@YNH_WWW_ROOTAPP@/@g" ../conf/nginx.conf
 else
     sed -i "s@YNH_WWW_ROOTPATH@$path@g" ../conf/nginx.conf
-    sed -i "s@YNH_WWW_ROOTAPP@$app@g" ../conf/nginx.conf
+    sed -i "s@YNH_WWW_ROOTAPP@$path$path@g" ../conf/nginx.conf
 fi
 sed -i "s@YNH_WWW_PATH@$path@g" $nginxconf
 sed -i "s@YNH_WWW_FINALPATH@$final_path@g" $nginxconf
@@ -164,31 +164,18 @@ rootsql="INSERT INTO api_keys VALUES ('"$roottoken"')"
 ynh_mysql_execute_as_root "$apitablesql" $dbname
 ynh_mysql_execute_as_root "$rootsql" $dbname
 ynh_app_setting_set "$app" root_token "$roottoken"
-fi
 
 # Configure SSOwat auth extension
 ssowatdomain=$(</etc/yunohost/current_host)
-data='{"flarum-ext-auth-ssowat.address": "'$ssowatdomain'"}'
+data='{"flarum-ext-auth-ssowat.address": "'$ssowatdomain'","flarum-ext-auth-ssowat.onlyUse": true}'
 rep=$(curl -s -o /dev/null -w "%{http_code}" -k -i \
     -H "Content-Type: application/json" \
     -H "Authorization: Token $roottoken; userId=1" \
     -X POST -d "$data" \
     -L https://${domain}${path}/api/settings )
-echo $path
-exit 0
+
 if [[ $rep != 204 ]]; then
-    echo "SSOwat domain setting failed"
-    exit 1
-fi
-data='{"flarum-ext-auth-ssowat.onlyUse": true}'
-rep=$(curl -s -o /dev/null -w "%{http_code}" -k -i \
-    -H "Content-Type: application/json" \
-    -H "Authorization: Token $roottoken; userId=1" \
-    -X POST -d "$data" \
-    -L https://${domain}${path}/api/settings )
-if [[ $rep != 204 ]]; then
-    echo "SSOwat auth exclusivity failed"
-    exit 1
+    ynh_die "ERROR: Could not configure SSOwat extension"
 fi
 
 # Enable the selected admin to login with SSOwat
@@ -207,12 +194,12 @@ for username in $(ynh_user_list); do
                    -X POST -d "$data" \
                    -L https://${domain}${path}/api/users )
         if [[ $rep != 201 ]]; then
-            echo "Flarum account creation failed for $username"
-            exit 1
+            ynh_die "ERROR: Flarum account creation failed for $username"
         fi
     usersql="UPDATE users SET ssowat_id = '$username' WHERE username = '$username'"
     ynh_mysql_execute_as_root "$usersql" $dbname
     fi
 done
+fi
 
 >&2 echo "Admin : $admin, password : $adminpass. Change it!"
diff --git a/scripts/upgrade b/scripts/upgrade
index 5ceb4e3..36517ac 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -21,9 +21,12 @@ is_public=$(ynh_app_setting_get "$app" is_public)
 CHECK_PATH
 
 # Copy source files
-src_path=/var/www/$app
-sudo mkdir -p $src_path
-sudo cp -a ../sources/. $src_path
+#src_path=/var/www/$app
+#sudo mkdir -p $src_path
+#sudo cp -a ../sources/. $src_path
+
+# Update flarum
+sudo su - www-data -s /bin/bash -c "cd /var/www/${app} && composer update"
 
 # Set permissions to app files
 # you may need to make some file and/or directory writeable by www-data (nginx user)
@@ -32,14 +35,13 @@ sudo chmod -R 755 $src_path
 
 # Modify Nginx configuration file and copy it to Nginx conf directory
 ### Nginx ###
-if [ $path = "/" ]; then
 nginxconf="../conf/nginx.conf"
 if [ $path = "/" ]; then
     sed -i "s@YNH_WWW_ROOTPATH@@g" ../conf/nginx.conf
-    sed -i "s@/YNH_WWW_ROOTAPP@@g" ../conf/nginx.conf
+    sed -i "s@YNH_WWW_ROOTAPP@/@g" ../conf/nginx.conf
 else
     sed -i "s@YNH_WWW_ROOTPATH@$path@g" ../conf/nginx.conf
-    sed -i "s@YNH_WWW_ROOTAPP@$app@g" ../conf/nginx.conf
+    sed -i "s@YNH_WWW_ROOTAPP@$path$path@g" ../conf/nginx.conf
 fi
 sed -i "s@YNH_WWW_PATH@$path@g" $nginxconf
 sed -i "s@YNH_WWW_FINALPATH@$final_path@g" $nginxconf