diff --git a/test/test_duplex.cpp b/test/test_duplex.cpp
--- a/test/test_duplex.cpp
+++ b/test/test_duplex.cpp
@@ -12,16 +12,19 @@
 #define _XOPEN_SOURCE 600
 #endif
 #include "cubeb/cubeb.h"
 #include <atomic>
 #include <math.h>
 #include <memory>
 #include <stdio.h>
 #include <stdlib.h>
+#ifdef __APPLE__
+#include <sys/utsname.h>
+#endif
 
 #include "mozilla/gtest/MozHelpers.h"
 
 // #define ENABLE_NORMAL_LOG
 // #define ENABLE_VERBOSE_LOG
 #include "common.h"
 
 #define SAMPLE_FREQUENCY 48000
@@ -294,16 +296,27 @@ TEST(cubeb, one_duplex_one_input)
   cubeb * ctx;
   cubeb_stream * duplex_stream;
   cubeb_stream_params input_params;
   cubeb_stream_params output_params;
   int r;
   user_state_duplex duplex_stream_state;
   uint32_t latency_frames = 0;
 
+  // Disabled on 10.15, see bug 1867183
+#ifdef __APPLE__
+  struct utsname uts;
+  uname(&uts);
+  // 10.15 correspond to Darwin 19
+  if (strncmp(uts.release, "19", 2) == 0) {
+    printf("Test disabled on macOS 10.15, exiting.\n");
+    return;
+  }
+#endif
+
   r = common_init(&ctx, "Cubeb duplex example");
   ASSERT_EQ(r, CUBEB_OK) << "Error initializing cubeb library";
 
   std::unique_ptr<cubeb, decltype(&cubeb_destroy)> cleanup_cubeb_at_exit(
       ctx, cubeb_destroy);
 
   /* This test needs at least two available input devices. */
   std::vector<cubeb_devid> input_devices =