diff --git a/usr/src/uts/common/io/cxgbe/t4nex/adapter.h b/usr/src/uts/common/io/cxgbe/t4nex/adapter.h
index 34659a32c6..15b5ef6943 100644
--- a/usr/src/uts/common/io/cxgbe/t4nex/adapter.h
+++ b/usr/src/uts/common/io/cxgbe/t4nex/adapter.h
@@ -480,6 +480,7 @@
 	uint32_t pullup_late;	/* # of pullups while building frame's SGL */
 	uint32_t pullup_failed;	/* # of failed pullups */
 	uint32_t csum_failed;	/* # of csum reqs we failed to fulfill */
+	uint64_t tunnel_lso_fail; /* # of tunneled LSO failures */
 };
 
 /* Ethernet packet transmission queue */
diff --git a/usr/src/uts/common/io/cxgbe/t4nex/t4_sge.c b/usr/src/uts/common/io/cxgbe/t4nex/t4_sge.c
index f8285b3adf..50af355b4c 100644
--- a/usr/src/uts/common/io/cxgbe/t4nex/t4_sge.c
+++ b/usr/src/uts/common/io/cxgbe/t4nex/t4_sge.c
@@ -3138,7 +3138,7 @@
 	/* For tunneled TSO, check protos and fixup outer IPv4 cksum */
 	if (is_tunneled && do_tso && txinfo->flags != 0 &&
 	    !tun_fix_partial_v4(&m, outer_info)) {
-		pi->stats.tx_error_frames += 1;
+		txq->stats.tunnel_lso_fail++;
 	}
 
 	/* Firmware work request header */