diff --git a/nixos/modules/services/web-apps/mobilizon.nix b/nixos/modules/services/web-apps/mobilizon.nix
index b7fad7f3066e..922d385f8d3b 100644
--- a/nixos/modules/services/web-apps/mobilizon.nix
+++ b/nixos/modules/services/web-apps/mobilizon.nix
@@ -52,7 +52,7 @@ let
   dbUser = if repoSettings.username != null then repoSettings.username else "mobilizon";
 
   postgresql = config.services.postgresql.package;
-  postgresqlSocketDir = "/var/run/postgresql";
+  postgresqlSocketDir = "/run/postgresql";
 
   secretEnvFile = "/var/lib/mobilizon/secret-env.sh";
 in