diff --git a/nixos/modules/services/misc/servarr/radarr.nix b/nixos/modules/services/misc/servarr/radarr.nix
index 8619790dbcfe..a394dacc5e31 100644
--- a/nixos/modules/services/misc/servarr/radarr.nix
+++ b/nixos/modules/services/misc/servarr/radarr.nix
@@ -99,6 +99,7 @@ in
           "@chown"
         ];
       };
+      unitConfig.RequiresMountsFor = [ cfg.dataDir ];
     };
 
     networking.firewall = lib.mkIf cfg.openFirewall {