diff --git a/nixos/modules/services/databases/riak.nix b/nixos/modules/services/databases/riak.nix
index bee768fa42ae..a7c53f32c8d0 100644
--- a/nixos/modules/services/databases/riak.nix
+++ b/nixos/modules/services/databases/riak.nix
@@ -108,6 +108,7 @@ in
         pkgs.bash
       ];
 
+      environment.HOME = "${cfg.dataDir}";
       environment.RIAK_DATA_DIR = "${cfg.dataDir}";
       environment.RIAK_LOG_DIR = "${cfg.logDir}";
       environment.RIAK_ETC_DIR = "/etc/riak";