diff --git a/src/jack/ports.rs b/src/jack/ports.rs
index a1817431..6fb63b50 100644
--- a/src/jack/ports.rs
+++ b/src/jack/ports.rs
@@ -2,6 +2,7 @@ use super::*;
 
 #[derive(Default)]
 pub struct JackPorts {
+    lifesaver: Arc<()>,
     pub audio_ins:  BTreeMap<String, Port<AudioIn>>,
     pub midi_ins:   BTreeMap<String, Port<MidiIn>>,
     pub audio_outs: BTreeMap<String, Port<AudioOut>>,
@@ -21,22 +22,22 @@ impl JackPorts {
         let mut unowned = UnownedJackPorts::default();
         for (name, port) in self.midi_ins.iter() {
             unowned.midi_ins.insert(name.clone(), unsafe {
-                Port::from_raw(::jack::Unowned, client.raw(), port.raw(), Arc::downgrade(&Arc::default()))
+                Port::from_raw(::jack::Unowned, client.raw(), port.raw(), Arc::downgrade(&self.lifesaver))
             });
         }
         for (name, port) in self.midi_outs.iter() {
             unowned.midi_outs.insert(name.clone(), unsafe {
-                Port::from_raw(::jack::Unowned, client.raw(), port.raw(), Arc::downgrade(&Arc::default()))
+                Port::from_raw(::jack::Unowned, client.raw(), port.raw(), Arc::downgrade(&self.lifesaver))
             });
         }
         for (name, port) in self.audio_ins.iter() {
             unowned.audio_ins.insert(name.clone(), unsafe {
-                Port::from_raw(::jack::Unowned, client.raw(), port.raw(), Arc::downgrade(&Arc::default()))
+                Port::from_raw(::jack::Unowned, client.raw(), port.raw(), Arc::downgrade(&self.lifesaver))
             });
         }
         for (name, port) in self.audio_outs.iter() {
             unowned.audio_outs.insert(name.clone(), unsafe {
-                Port::from_raw(::jack::Unowned, client.raw(), port.raw(), Arc::downgrade(&Arc::default()))
+                Port::from_raw(::jack::Unowned, client.raw(), port.raw(), Arc::downgrade(&self.lifesaver))
             });
         }
         unowned