diff --git a/builder/default.nix b/builder/default.nix
index 3861f3e..83d351e 100644
--- a/builder/default.nix
+++ b/builder/default.nix
@@ -205,7 +205,7 @@ let
         cp ${pwd + "/go.sum"} source/go.sum
         cp ${pwd + "/tools.go"} source/tools.go
         cd source
-        cp -r ${vendorEnv} vendor
+        cp -rL ${vendorEnv} vendor
 
         ${internal.install}
       '';
@@ -282,7 +282,7 @@ let
           ${optionalString (modulesStruct != { }) ''
             if [ -n "${vendorEnv}" ]; then
               rm -rf vendor
-              cp -r ${vendorEnv} vendor
+              cp -rL ${vendorEnv} vendor
             fi
           ''}