diff --git a/src/portable/nordic/nrf5x/dcd_nrf5x.c b/src/portable/nordic/nrf5x/dcd_nrf5x.c
index 4e702aed4..841cda752 100644
--- a/src/portable/nordic/nrf5x/dcd_nrf5x.c
+++ b/src/portable/nordic/nrf5x/dcd_nrf5x.c
@@ -653,7 +653,11 @@ void dcd_int_handler(uint8_t rhport)
     if (NRF_USBD->EPOUTEN & USBD_EPOUTEN_ISOOUT_Msk)
     {
       iso_enabled = true;
-      xact_out_dma(EP_ISO_NUM);
+      // Transfer from endpoint to RAM only if data is not corrupted
+      if ((int_status & USBD_INTEN_USBEVENT_Msk) == 0 ||
+          (NRF_USBD->EVENTCAUSE & USBD_EVENTCAUSE_ISOOUTCRC_Msk) == 0) {
+        xact_out_dma(EP_ISO_NUM);
+      }
     }
 
     // ISOIN: Notify client that data was transferred
@@ -683,7 +687,7 @@ void dcd_int_handler(uint8_t rhport)
   {
     TU_LOG(2, "EVENTCAUSE = 0x%04lX\r\n", NRF_USBD->EVENTCAUSE);
 
-    enum { EVT_CAUSE_MASK = USBD_EVENTCAUSE_SUSPEND_Msk | USBD_EVENTCAUSE_RESUME_Msk | USBD_EVENTCAUSE_USBWUALLOWED_Msk };
+    enum { EVT_CAUSE_MASK = USBD_EVENTCAUSE_SUSPEND_Msk | USBD_EVENTCAUSE_RESUME_Msk | USBD_EVENTCAUSE_USBWUALLOWED_Msk | USBD_EVENTCAUSE_ISOOUTCRC_Msk };
     uint32_t const evt_cause = NRF_USBD->EVENTCAUSE & EVT_CAUSE_MASK;
     NRF_USBD->EVENTCAUSE = evt_cause; // clear interrupt