diff --git a/nixos.nix b/nixos.nix
index b5b1abd..56cc4ee 100644
--- a/nixos.nix
+++ b/nixos.nix
@@ -94,6 +94,10 @@ in
               ]
             } ${cfg.sharefs.name}
         '';
+
+        # do not unmount on configuration changes
+        restartIfChanged = false;
+
         wantedBy = [ "multi-user.target" ];
       };
     };