diff --git a/os/hal/platforms/STM32/OTGv1/usb_lld.c b/os/hal/platforms/STM32/OTGv1/usb_lld.c
index 58c3e2400..9b1d3d489 100644
--- a/os/hal/platforms/STM32/OTGv1/usb_lld.c
+++ b/os/hal/platforms/STM32/OTGv1/usb_lld.c
@@ -1217,7 +1217,7 @@ void usb_lld_prepare_receive(USBDriver *usbp, usbep_t ep) {
   pcnt = (osp->rxsize + usbp->epc[ep]->out_maxsize - 1) /
          usbp->epc[ep]->out_maxsize;
   usbp->otg->oe[ep].DOEPTSIZ = DOEPTSIZ_STUPCNT(3) | DOEPTSIZ_PKTCNT(pcnt) |
-                               DOEPTSIZ_XFRSIZ(usbp->epc[ep]->out_maxsize);
+                               DOEPTSIZ_XFRSIZ(osp->rxsize);
 
 }