diff --git a/doc/installation.md b/doc/installation.md
index ccbbd2e814001f394bc35e7f2a3f3a097e449487..fd8a8b9b246327f1e88ad7c5f6358c8408d5415c 100644
--- a/doc/installation.md
+++ b/doc/installation.md
@@ -284,7 +284,7 @@ a different host, you can configure its connection string in the
     sudo vim /etc/nginx/sites-enabled/gitlab
 
     # Restart nginx:
-    /etc/init.d/nginx restart
+    sudo /etc/init.d/nginx restart
 
 ## 3. Init script