diff --git a/hw/usb-uhci.c b/hw/usb-uhci.c
index 346db3e..a51d89b 100644
--- a/hw/usb-uhci.c
+++ b/hw/usb-uhci.c
@@ -732,11 +732,21 @@ out:
     case USB_RET_STALL:
         td->ctrl |= TD_CTRL_STALL;
         td->ctrl &= ~TD_CTRL_ACTIVE;
+        s->status |= UHCI_STS_USBERR;
+        *int_mask |= 0x02;
+        if (td->ctrl & TD_CTRL_IOC)
+            *int_mask |= 0x01;
+        uhci_update_irq(s);
         return 1;
 
     case USB_RET_BABBLE:
         td->ctrl |= TD_CTRL_BABBLE | TD_CTRL_STALL;
         td->ctrl &= ~TD_CTRL_ACTIVE;
+        s->status |= UHCI_STS_USBERR;
+        *int_mask |= 0x02;
+        if (td->ctrl & TD_CTRL_IOC)
+           *int_mask |= 0x01;
+        uhci_update_irq(s);
         /* frame interrupted */
         return -1;