diff --git a/src/usbd_stm32f429_otgfs.c b/src/usbd_stm32f429_otgfs.c
index a41479e..87f0971 100644
--- a/src/usbd_stm32f429_otgfs.c
+++ b/src/usbd_stm32f429_otgfs.c
@@ -132,13 +132,15 @@ static void enable(bool enable) {
         OTG->DIEPTXF0_HNPTXFSIZ = RX_FIFO_SZ | (0x10 << 16);
         /* unmask EP interrupts */
         OTGD->DIEPMSK = USB_OTG_DIEPMSK_XFRCM;
+        OTGD->DOEPMSK = USB_OTG_DOEPMSK_XFRCM;
         /* unmask core interrupts */
         OTG->GINTMSK  = USB_OTG_GINTMSK_USBRST | USB_OTG_GINTMSK_ENUMDNEM |
 #if !defined(USBD_SOF_DISABLED)
                         USB_OTG_GINTMSK_SOFM |
 #endif
                         USB_OTG_GINTMSK_USBSUSPM | USB_OTG_GINTMSK_WUIM |
-                        USB_OTG_GINTMSK_IEPINT | USB_OTG_GINTMSK_RXFLVLM;
+                        USB_OTG_GINTMSK_IEPINT | USB_OTG_GINTMSK_RXFLVLM |
+                        USB_OTG_GINTMSK_OEPINT;
         /* clear pending interrupts */
         OTG->GINTSTS = 0xFFFFFFFF;
         /* unmask global interrupt */
@@ -424,6 +426,29 @@ static void evt_poll(usbd_device *dev, usbd_evt_callback callback) {
         } else if (_t & USB_OTG_GINTSTS_WKUINT) {
             OTG->GINTSTS = USB_OTG_GINTSTS_WKUINT;
             evt = usbd_evt_wkup;
+        } else if(_t & USB_OTG_GINTSTS_OEPINT){
+            for(int cur_ep = 0; cur_ep < MAX_EP; cur_ep++){
+                USB_OTG_OUTEndpointTypeDef* epo = EPOUT(cur_ep);
+                if (epo->DOEPINT & USB_OTG_DOEPINT_XFRC) {
+                    epo->DOEPINT = USB_OTG_DOEPINT_XFRC;
+
+                    uint8_t ep_is_isochr =
+                        _FLD2VAL(USB_OTG_DOEPCTL_EPTYP, epo->DOEPCTL) == USB_EPTYPE_ISOCHRONUS;
+
+                    // Since isochronous endpoints can only receive data on the
+                    // specified odd or even frame num, after each reception we must
+                    // configure the EONUM field
+                    if (ep_is_isochr) {
+                        uint8_t odd_now = _FLD2VAL(USB_OTG_DSTS_FNSOF, OTGD->DSTS) & 1u;
+                        if (odd_now) {
+                            epo->DOEPCTL |= USB_OTG_DOEPCTL_SD0PID_SEVNFRM;
+                        } else {
+                            epo->DOEPCTL |= USB_OTG_DOEPCTL_SODDFRM;
+                        }
+                    }
+                }
+            }
+            continue;
         } else {
             /* no more supported events */
             return;