Index: head/sys/dev/sfxge/common/ef10_mac.c
===================================================================
--- head/sys/dev/sfxge/common/ef10_mac.c
+++ head/sys/dev/sfxge/common/ef10_mac.c
@@ -677,7 +677,7 @@
 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_LT64_PKTS, &value);
 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_LE_64_PKTS]), &value);
 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_64_PKTS, &value);
-	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_LE_64_PKTS]), &value);
+	EFSYS_STAT_INCR_QWORD(&(stat[EFX_MAC_TX_LE_64_PKTS]), &value);
 
 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_65_TO_127_PKTS, &value);
 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_65_TO_127_PKTS]), &value);