diff --git a/src/impl/list_ports/list_ports_osx.cc b/src/impl/list_ports/list_ports_osx.cc
index f7511ca..333c55c 100644
--- a/src/impl/list_ports/list_ports_osx.cc
+++ b/src/impl/list_ports/list_ports_osx.cc
@@ -279,7 +279,7 @@ serial::list_ports(void)
         devices_found.push_back(port_info);
     }
 
-    IOObjectRelase(serial_port_iterator);
+    IOObjectRelease(serial_port_iterator);
     return devices_found;
 }