diff --git a/pkgs/by-name/ne/newsflash/package.nix b/pkgs/by-name/ne/newsflash/package.nix
index e251a41f888a..b2faad9ac943 100644
--- a/pkgs/by-name/ne/newsflash/package.nix
+++ b/pkgs/by-name/ne/newsflash/package.nix
@@ -44,7 +44,7 @@ stdenv.mkDerivation (finalAttrs: {
   };
 
   postPatch = ''
-    patchShebangs build-aux/cargo.sh
+    patchShebangs --build build-aux/cargo.sh
     meson rewrite kwargs set project / version '${finalAttrs.version}'
     substituteInPlace src/meson.build --replace-fail \
       "'src' / rust_target / 'news_flash_gtk'" \