diff --git a/ihatemoney/conf-templates/ihatemoney.cfg.j2 b/ihatemoney/conf-templates/ihatemoney.cfg.j2
index 5dfb9d47..c0545912 100644
--- a/ihatemoney/conf-templates/ihatemoney.cfg.j2
+++ b/ihatemoney/conf-templates/ihatemoney.cfg.j2
@@ -8,7 +8,7 @@ DEBUG = False
 
 # The database URI, reprensenting the type of database and how to connect to it.
 # Enter an absolute path here.
-SQLALCHEMY_DATABASE_URI = 'sqlite:///var/lib/ihatemoney/ihatemoney.sqlite'
+SQLALCHEMY_DATABASE_URI = 'sqlite:////var/lib/ihatemoney/ihatemoney.sqlite'
 SQLACHEMY_ECHO = DEBUG
 
 # Will likely become the default value in flask-sqlalchemy >=3 ; could be removed