diff --git a/sys/dev/e1000/if_igb.c b/sys/dev/e1000/if_igb.c
index d6e4de579760..2322e569bef2 100644
--- a/sys/dev/e1000/if_igb.c
+++ b/sys/dev/e1000/if_igb.c
@@ -4331,7 +4331,7 @@ igb_setup_receive_ring(struct rx_ring *rxr)
 		rxbuf = &rxr->rx_buffers[j];
 #ifdef DEV_NETMAP
 		if (slot) {
-			/* slot sj is mapped to the i-th NIC-ring entry */
+			/* slot sj is mapped to the j-th NIC-ring entry */
 			int sj = netmap_idx_n2k(&na->rx_rings[rxr->me], j);
 			uint64_t paddr;
 			void *addr;