--- a/test/test_duplex.cpp
+++ b/test/test_duplex.cpp
@@ -18,6 +18,8 @@
 #include <stdio.h>
 #include <stdlib.h>
 
+#include "mozilla/gtest/MozHelpers.h"
+
 // #define ENABLE_NORMAL_LOG
 // #define ENABLE_VERBOSE_LOG
 #include "common.h"
@@ -201,6 +203,11 @@
   ASSERT_EQ(r, CUBEB_OK);
 }
 
+void CauseDeath(cubeb * p) {
+  mozilla::gtest::DisableCrashReporter();
+  cubeb_destroy(p);
+}
+
 #ifdef GTEST_HAS_DEATH_TEST
 TEST(cubeb, duplex_collection_change_no_unregister)
 {
@@ -218,9 +225,17 @@
   }
 
   std::unique_ptr<cubeb, decltype(&cubeb_destroy)> cleanup_cubeb_at_exit(
-      ctx, [](cubeb * p) noexcept { EXPECT_DEATH(cubeb_destroy(p), ""); });
+      ctx, [](cubeb * p) noexcept { EXPECT_DEATH(CauseDeath(p), ""); });
 
   duplex_collection_change_impl(ctx);
+
+#  if defined(XP_MACOSX) && !defined(MOZ_DEBUG)
+  // For some reason this test hangs on macOS in non-debug builds when the child
+  // process (death test fork) crashes and the crash reporter is enabled in the
+  // parent process. There is not much left to do that can cause a crash in the
+  // parent process anyway, so disable the crash reporter where needed to pass.
+  mozilla::gtest::DisableCrashReporter();
+#  endif
 }
 #endif