diff --git a/machines/neo/dendrite/default.nix b/machines/neo/dendrite/default.nix
index 5306381..2ef072a 100644
--- a/machines/neo/dendrite/default.nix
+++ b/machines/neo/dendrite/default.nix
@@ -21,7 +21,7 @@ let
       private_key = "$$CREDENTIALS_DIRECTORY/private_key";
 
       database = {
-        connection_string = "postgresql://%2Frun%2Fpostgresql/dendrite";
+        connection_string = "postgresql:///dendrite?host=/run/postgresql";
         max_open_conns = 100;
         max_idle_conns = 5;
         conn_max_lifetime = -1;