diff --git a/pkgs/by-name/fo/fosrl-newt/package.nix b/pkgs/by-name/fo/fosrl-newt/package.nix
index 1b895ed6f25a..48df8202eac1 100644
--- a/pkgs/by-name/fo/fosrl-newt/package.nix
+++ b/pkgs/by-name/fo/fosrl-newt/package.nix
@@ -18,16 +18,12 @@ buildGoModule rec {
 
   vendorHash = "sha256-5Xr6mwPtsqEliKeKv2rhhp6JC7u3coP4nnhIxGMqccU=";
 
-  postPatch = ''
-    substituteInPlace main.go \
-      --replace-fail "version_replaceme" "${version}"
-  '';
-
   nativeInstallCheckInputs = [ versionCheckHook ];
 
   ldflags = [
     "-s"
     "-w"
+    "-X=main.newtVersion=${version}"
   ];
 
   doInstallCheck = true;