diff --git a/src/corebluetooth/central_delegate.rs b/src/corebluetooth/central_delegate.rs
index 9dacd721..d7651e10 100644
--- a/src/corebluetooth/central_delegate.rs
+++ b/src/corebluetooth/central_delegate.rs
@@ -345,11 +345,12 @@ declare_class!(
             &self,
             _central: &CBCentralManager,
             peripheral: &CBPeripheral,
-            _error: Option<&NSError>,
+            error: Option<&NSError>,
         ) {
             trace!(
-                "delegate_centralmanager_diddisconnectperipheral_error {}",
-                peripheral_debug(peripheral)
+                "delegate_centralmanager_diddisconnectperipheral_error {} (error={:?})",
+                peripheral_debug(peripheral),
+                error
             );
             let peripheral_uuid = nsuuid_to_uuid(unsafe { &peripheral.identifier() });
             self.send_event(CentralDelegateEvent::DisconnectedDevice { peripheral_uuid });