diff --git a/support/testing/infra/emulator.py b/support/testing/infra/emulator.py
index 9b079cbf23..588a92f6a2 100644
--- a/support/testing/infra/emulator.py
+++ b/support/testing/infra/emulator.py
@@ -65,7 +65,8 @@ class Emulator(object):
             qemu_cmd += ["-append", " ".join(kernel_cmdline)]
 
         self.logfile.write("> starting qemu with '%s'\n" % " ".join(qemu_cmd))
-        self.qemu = pexpect.spawn(qemu_cmd[0], qemu_cmd[1:], timeout=5)
+        self.qemu = pexpect.spawn(qemu_cmd[0], qemu_cmd[1:], timeout=5,
+                                  env={"QEMU_AUDIO_DRV": "none"})
         # We want only stdout into the log to avoid double echo
         self.qemu.logfile_read = self.logfile