Index: uspace/drv/bus/usb/xhci/hc.c
===================================================================
--- uspace/drv/bus/usb/xhci/hc.c	(revision 85bf12bae025fd54ef10740528488cbe5849d969)
+++ uspace/drv/bus/usb/xhci/hc.c	(revision 15f80796072dd77d9218eb941f07bf74668724cc)
@@ -399,5 +399,5 @@
 	XHCI_REG_WR(hc->op_regs, XHCI_OP_DCBAAP_LO, LOWER32(dcbaaptr));
 	XHCI_REG_WR(hc->op_regs, XHCI_OP_DCBAAP_HI, UPPER32(dcbaaptr));
-	XHCI_REG_WR(hc->op_regs, XHCI_OP_MAX_SLOTS_EN, 0);
+	XHCI_REG_WR(hc->op_regs, XHCI_OP_MAX_SLOTS_EN, hc->max_slots);
 
 	uint64_t crptr = xhci_trb_ring_get_dequeue_ptr(&hc->cr.trb_ring);