diff --git a/adb/usb_osx.c b/adb/usb_osx.c
index de7125f..00d02da 100644
--- a/adb/usb_osx.c
+++ b/adb/usb_osx.c
@@ -256,7 +256,7 @@
         }
 
         DBG("AndroidDeviceAdded calling register_usb_transport\n");
-        register_usb_transport(handle, (serial[0] ? serial : NULL));
+        register_usb_transport(handle, (serial[0] ? serial : NULL), 1);
 
         // Register for an interest notification of this device being removed.
         // Pass the reference to our private data as the refCon for the
diff --git a/adb/usb_windows.c b/adb/usb_windows.c
index 0951f67..38c4cf4 100644
--- a/adb/usb_windows.c
+++ b/adb/usb_windows.c
@@ -488,7 +488,7 @@
                                 true)) {
             // Lets make sure that we don't duplicate this device
             if (register_new_device(handle)) {
-              register_usb_transport(handle, serial_number);
+              register_usb_transport(handle, serial_number, 1);
             } else {
               D("register_new_device failed for %s\n", interf_name);
               usb_cleanup_handle(handle);