diff --git a/libs/backends/dummy/dummy_audiobackend.cc b/libs/backends/dummy/dummy_audiobackend.cc
index a59d7e3178..b3cfd39186 100644
--- a/libs/backends/dummy/dummy_audiobackend.cc
+++ b/libs/backends/dummy/dummy_audiobackend.cc
@@ -1525,6 +1525,7 @@ void DummyPort::setup_random_number_generator ()
 	_rseed = g_get_monotonic_time() % UINT_MAX;
 	}
 	_rseed = (_rseed + (uint64_t)this) % UINT_MAX;
+	if (_rseed == 0) _rseed = 1;
 }
 
 inline uint32_t