diff --git a/src/add-ons/kernel/busses/usb/uhci.cpp b/src/add-ons/kernel/busses/usb/uhci.cpp
index f535e30d28..2b882f09e6 100644
--- a/src/add-ons/kernel/busses/usb/uhci.cpp
+++ b/src/add-ons/kernel/busses/usb/uhci.cpp
@@ -606,7 +606,7 @@ status_t
 UHCI::CancelQueuedTransfers(Pipe *pipe, bool force)
 {
 	if (pipe->Type() & USB_OBJECT_ISO_PIPE)
-		return CancelQueuedIsochronousTransfers(pipe);
+		return CancelQueuedIsochronousTransfers(pipe, force);
 
 	if (!Lock())
 		return B_ERROR;
@@ -642,7 +642,7 @@ UHCI::CancelQueuedTransfers(Pipe *pipe, bool force)
 
 
 status_t
-UHCI::CancelQueuedIsochronousTransfers(Pipe *pipe)
+UHCI::CancelQueuedIsochronousTransfers(Pipe *pipe, bool force)
 {
 	isochronous_transfer_data *current = fFirstIsochronousTransfer;
 
@@ -656,6 +656,9 @@ UHCI::CancelQueuedIsochronousTransfers(Pipe *pipe)
 			// the transfer. The FinishIsochronousThread will do the rest.
 			for (int32 i = 0; i < packetCount; i++)
 				current->descriptors[i]->status &= ~TD_STATUS_ACTIVE;
+
+			// TODO: Use the force paramater in order to avoid calling
+			// invalid callbacks
 			current->is_active = false;
 		}
 
diff --git a/src/add-ons/kernel/busses/usb/uhci.h b/src/add-ons/kernel/busses/usb/uhci.h
index ffc3230b17..521a069b60 100644
--- a/src/add-ons/kernel/busses/usb/uhci.h
+++ b/src/add-ons/kernel/busses/usb/uhci.h
@@ -91,8 +91,8 @@ public:
 
 		status_t					Start();
 virtual	status_t					SubmitTransfer(Transfer *transfer);
-virtual status_t					CancelQueuedTransfers(Pipe *pipe, bool force);
-		status_t					CancelQueuedIsochronousTransfers(Pipe *pipe);
+virtual	status_t					CancelQueuedTransfers(Pipe *pipe, bool force);
+		status_t					CancelQueuedIsochronousTransfers(Pipe *pipe, bool force);
 		status_t					SubmitRequest(Transfer *transfer);
 		status_t					SubmitIsochronous(Transfer *transfer);