diff --git a/pkgs/applications/networking/feedreaders/newsflash/default.nix b/pkgs/applications/networking/feedreaders/newsflash/default.nix
index bdbdf0871f5f..a8333f766151 100644
--- a/pkgs/applications/networking/feedreaders/newsflash/default.nix
+++ b/pkgs/applications/networking/feedreaders/newsflash/default.nix
@@ -48,7 +48,7 @@ stdenv.mkDerivation (finalAttrs: {
   ];
 
   postPatch = ''
-    patchShebangs .
+    patchShebangs build-aux/cargo.sh
   '';
 
   nativeBuildInputs = [