diff --git a/pkgs/by-name/fl/flatpak/package.nix b/pkgs/by-name/fl/flatpak/package.nix
index b130ef4f32c7..afcb3234f0e1 100644
--- a/pkgs/by-name/fl/flatpak/package.nix
+++ b/pkgs/by-name/fl/flatpak/package.nix
@@ -53,6 +53,7 @@
   gsettings-desktop-schemas,
   librsvg,
   nix-update-script,
+  nixos-icons
 }:
 
 stdenv.mkDerivation (finalAttrs: {
@@ -212,7 +213,10 @@ stdenv.mkDerivation (finalAttrs: {
       installedTests = nixosTests.installed-tests.flatpak;
 
       validate-icon = runCommand "test-icon-validation" { } ''
-        ${finalAttrs.finalPackage}/libexec/flatpak-validate-icon --sandbox 512 512 ${../../../applications/audio/zynaddsubfx/ZynLogo.svg} > "$out"
+        ${finalAttrs.finalPackage}/libexec/flatpak-validate-icon \
+          --sandbox 512 512 \
+          "${nixos-icons}/share/icons/hicolor/scalable/apps/nix-snowflake-white.svg" > "$out"
+
         grep format=svg "$out"
       '';