diff --git a/README.md b/README.md
index 25ffc55..597fc0b 100644
--- a/README.md
+++ b/README.md
@@ -52,11 +52,6 @@ You can also run Tania in production mode (on your server) by referring to this
 
 Done! You can start to use Tania.
 
-
-## Installation notes
-
-If you use MySQL 5.7, you should disable `ONLY_FULL_GROUP_BY`. You can refer to this [StackOverflow discussion](https://stackoverflow.com/questions/23921117/disable-only-full-group-by).
-
 ## Questions and issues
 
 You can use [the issue tracker of Tania](https://github.com/tanibox/tania/issues) for bug reporting, feature request, and general feedback.
diff --git a/app/config/config.yml b/app/config/config.yml
index f0ec4cb..f9471fb 100644
--- a/app/config/config.yml
+++ b/app/config/config.yml
@@ -55,6 +55,8 @@ doctrine:
         #   2. Uncomment database_path in parameters.yml.dist
         #   3. Uncomment next line:
         #path: '%database_path%'
+        options:
+            1002: "SET sql_mode=(SELECT REPLACE(@@sql_mode,'ONLY_FULL_GROUP_BY',''))"
 
     orm:
         auto_generate_proxy_classes: '%kernel.debug%'