diff --git a/pkgs/development/mobile/androidenv/build-app.nix b/pkgs/development/mobile/androidenv/build-app.nix
index 07f3797f0cd..3f8af65f3bd 100644
--- a/pkgs/development/mobile/androidenv/build-app.nix
+++ b/pkgs/development/mobile/androidenv/build-app.nix
@@ -39,6 +39,6 @@ stdenv.mkDerivation {
     mv bin/*-${if release then "release" else "debug"}.apk $out
     
     mkdir -p $out/nix-support
-    echo "file binary-dist $(ls $out/*.apk)" > $out/nix-support/hydra-build-products
+    echo "file binary-dist $(echo $out/*.apk)" > $out/nix-support/hydra-build-products
   '';
 }