diff --git a/modules/nixos/services/matrix/default.nix b/modules/nixos/services/matrix/default.nix
index a7b91b6..8d307da 100644
--- a/modules/nixos/services/matrix/default.nix
+++ b/modules/nixos/services/matrix/default.nix
@@ -83,7 +83,7 @@ let
 
         # Media settings
         max_upload_size = "50M";
-        media_store_path = "/var/lib/matrix-synapse/media";
+        media_store_path = "${cfg.dataDir}/media";
 
         # Logging
         # log_config = "/var/lib/matrix-synapse/log_config.yaml";