Index: uspace/lib/usbhost/src/endpoint.c
===================================================================
--- uspace/lib/usbhost/src/endpoint.c	(revision 620c710af8ea806f074c8dc9ea391400b6b82226)
+++ uspace/lib/usbhost/src/endpoint.c	(revision bc255aa49f163415977fd699f1505b45d5a03fed)
@@ -89,4 +89,5 @@
 {
 	assert(instance);
+	instance->destroy_hook = NULL;
 	instance->hc_data.data = NULL;
 	instance->hc_data.toggle_get = NULL;