diff --git a/libs/ardour/delivery.cc b/libs/ardour/delivery.cc
index 32f2f14bdb..b278b04c8b 100644
--- a/libs/ardour/delivery.cc
+++ b/libs/ardour/delivery.cc
@@ -60,7 +60,7 @@ Delivery::Delivery (Session& s, boost::shared_ptr<IO> io, boost::shared_ptr<Pann
 	: IOProcessor(s, boost::shared_ptr<IO>(), (role_requires_output_ports (r) ? io : boost::shared_ptr<IO>()), name)
 	, _role (r)
 	, _output_buffers (new BufferSet())
-	, _current_gain (GAIN_COEFF_UNITY)
+	, _current_gain (GAIN_COEFF_ZERO)
 	, _no_outs_cuz_we_no_monitor (false)
 	, _mute_master (mm)
 	, _no_panner_reset (false)
@@ -84,7 +84,7 @@ Delivery::Delivery (Session& s, boost::shared_ptr<Pannable> pannable, boost::sha
 	: IOProcessor(s, false, (role_requires_output_ports (r) ? true : false), name, "", DataType::AUDIO, (r == Send))
 	, _role (r)
 	, _output_buffers (new BufferSet())
-	, _current_gain (GAIN_COEFF_UNITY)
+	, _current_gain (GAIN_COEFF_ZERO)
 	, _no_outs_cuz_we_no_monitor (false)
 	, _mute_master (mm)
 	, _no_panner_reset (false)