diff --git a/pkgs/by-name/sa/safe-rm/package.nix b/pkgs/by-name/sa/safe-rm/package.nix
index 8a6546e3b7e1..c810fe8c572a 100644
--- a/pkgs/by-name/sa/safe-rm/package.nix
+++ b/pkgs/by-name/sa/safe-rm/package.nix
@@ -21,7 +21,7 @@ rustPlatform.buildRustPackage rec {
 
   postPatch = ''
     substituteInPlace src/main.rs \
-      --replace "/bin/rm" "${coreutils}/bin/rm"
+      --replace-fail "/bin/rm" "${coreutils}/bin/rm"
   '';
 
   nativeBuildInputs = [ installShellFiles ];