diff --git a/pkgs/tools/misc/diffoscope/default.nix b/pkgs/tools/misc/diffoscope/default.nix
index ce0d920ca4ab..f59e8bb430a1 100644
--- a/pkgs/tools/misc/diffoscope/default.nix
+++ b/pkgs/tools/misc/diffoscope/default.nix
@@ -35,6 +35,10 @@ python3Packages.buildPythonApplication rec {
 
     # When generating manpage, use the installed version
     substituteInPlace doc/Makefile --replace "../bin" "$out/bin"
+
+    # https://salsa.debian.org/reproducible-builds/diffoscope/-/issues/258
+    substituteInPlace tests/data/mp3_expected_diff \
+      --replace "  Stream" "Stream"
   '';
 
   nativeBuildInputs = [ docutils help2man installShellFiles ];