diff --git a/pkgs/by-name/ay/ayatana-indicator-sound/package.nix b/pkgs/by-name/ay/ayatana-indicator-sound/package.nix
index cb21509d75ed..142aefe75ad6 100644
--- a/pkgs/by-name/ay/ayatana-indicator-sound/package.nix
+++ b/pkgs/by-name/ay/ayatana-indicator-sound/package.nix
@@ -48,6 +48,17 @@ stdenv.mkDerivation (finalAttrs: {
     # Build-time Vala codegen
     substituteInPlace src/CMakeLists.txt \
       --replace-fail '/usr/share/gir-1.0/AccountsService-1.0.gir' '${lib.getDev accountsservice}/share/gir-1.0/AccountsService-1.0.gir'
+
+    # timeouts are too short for aarch64 OfBorg builder under loads, which leads to spurious test failures
+    substituteInPlace \
+      tests/accounts-service-user.cc \
+      tests/media-player-user.cc \
+      tests/name-watch-test.cc \
+      tests/notifications-test.cc \
+      tests/volume-control-test.cc \
+      --replace-quiet 'loop(50)' 'loop(500)' \
+      --replace-quiet 'loop(100)' 'loop(1000)' \
+      --replace-quiet 'loop(500)' 'loop(5000)' \
   '';
 
   strictDeps = true;