diff --git a/sys/dev/sfxge/common/ef10_ev.c b/sys/dev/sfxge/common/ef10_ev.c
index 829507462d62..0e8d0f5fec15 100644
--- a/sys/dev/sfxge/common/ef10_ev.c
+++ b/sys/dev/sfxge/common/ef10_ev.c
@@ -815,8 +815,8 @@ ef10_ev_rx_packed_stream(
 	current_id = eersp->eers_rx_read_ptr & eersp->eers_rx_mask;
 
 	/* Check for errors that invalidate checksum and L3/L4 fields */
-	if (EFX_QWORD_FIELD(*eqp, ESF_DZ_RX_ECC_ERR) != 0) {
-		/* RX frame truncated (error flag is misnamed) */
+	if (EFX_QWORD_FIELD(*eqp, ESF_DZ_RX_TRUNC_ERR) != 0) {
+		/* RX frame truncated */
 		EFX_EV_QSTAT_INCR(eep, EV_RX_FRM_TRUNC);
 		flags |= EFX_DISCARD;
 		goto deliver;
@@ -953,8 +953,8 @@ ef10_ev_rx(
 	last_used_id = (eersp->eers_rx_read_ptr - 1) & eersp->eers_rx_mask;
 
 	/* Check for errors that invalidate checksum and L3/L4 fields */
-	if (EFX_QWORD_FIELD(*eqp, ESF_DZ_RX_ECC_ERR) != 0) {
-		/* RX frame truncated (error flag is misnamed) */
+	if (EFX_QWORD_FIELD(*eqp, ESF_DZ_RX_TRUNC_ERR) != 0) {
+		/* RX frame truncated */
 		EFX_EV_QSTAT_INCR(eep, EV_RX_FRM_TRUNC);
 		flags |= EFX_DISCARD;
 		goto deliver;
diff --git a/sys/dev/sfxge/common/efx_regs_ef10.h b/sys/dev/sfxge/common/efx_regs_ef10.h
index 9129751dfe43..ae5d7930de52 100644
--- a/sys/dev/sfxge/common/efx_regs_ef10.h
+++ b/sys/dev/sfxge/common/efx_regs_ef10.h
@@ -474,6 +474,8 @@ extern "C" {
 #define	ESF_EZ_RX_ABORT_WIDTH 1
 #define	ESF_DZ_RX_ECC_ERR_LBN 29
 #define	ESF_DZ_RX_ECC_ERR_WIDTH 1
+#define	ESF_DZ_RX_TRUNC_ERR_LBN 29
+#define	ESF_DZ_RX_TRUNC_ERR_WIDTH 1
 #define	ESF_DZ_RX_CRC1_ERR_LBN 28
 #define	ESF_DZ_RX_CRC1_ERR_WIDTH 1
 #define	ESF_DZ_RX_CRC0_ERR_LBN 27