diff --git a/nixos/modules/services/misc/emby.nix b/nixos/modules/services/misc/emby.nix
index 151edd0e761a..0ad4a3f7376f 100644
--- a/nixos/modules/services/misc/emby.nix
+++ b/nixos/modules/services/misc/emby.nix
@@ -55,7 +55,7 @@ in
         User = cfg.user;
         Group = cfg.group;
         PermissionsStartOnly = "true";
-        ExecStart = "${pkgs.emby}/bin/emby";
+        ExecStart = "${pkgs.emby}/bin/emby -programdata ${cfg.dataDir}";
         Restart = "on-failure";
       };
     };
diff --git a/pkgs/servers/emby/default.nix b/pkgs/servers/emby/default.nix
index 932d070577e6..12b0dde0c9b4 100644
--- a/pkgs/servers/emby/default.nix
+++ b/pkgs/servers/emby/default.nix
@@ -39,7 +39,7 @@ stdenv.mkDerivation rec {
       --prefix LD_LIBRARY_PATH : "${stdenv.lib.makeLibraryPath [
         sqlite
       ]}" \
-      --add-flags "$out/opt/emby-server/EmbyServer.dll -programdata /var/lib/emby/ProgramData-Server -ffmpeg ${ffmpeg}/bin/ffmpeg -ffprobe ${ffmpeg}/bin/ffprobe"
+      --add-flags "$out/opt/emby-server/EmbyServer.dll -ffmpeg ${ffmpeg}/bin/ffmpeg -ffprobe ${ffmpeg}/bin/ffprobe"
   '';
 
   meta =  with stdenv.lib; {