Index: uspace/drv/bus/usb/ehci/hc.c
===================================================================
--- uspace/drv/bus/usb/ehci/hc.c	(revision 5e22ff20292fbfa8df0ba4a5043c9aa25ad57f3f)
+++ uspace/drv/bus/usb/ehci/hc.c	(revision 40687f25d31d27f29a163645cbb815c351aa7ad5)
@@ -315,5 +315,5 @@
 	if (status & USB_STS_IRQ_ASYNC_ADVANCE_FLAG) {
 		fibril_mutex_lock(&instance->guard);
-		fibril_condvar_signal(&instance->async_doorbell);
+		fibril_condvar_broadcast(&instance->async_doorbell);
 		fibril_mutex_unlock(&instance->guard);
 	}