diff --git a/sys/dev/bge/if_bge.c b/sys/dev/bge/if_bge.c
index 9de4cdb70d5..6c338dcdda2 100644
--- a/sys/dev/bge/if_bge.c
+++ b/sys/dev/bge/if_bge.c
@@ -1309,7 +1309,7 @@ bge_blockinit(struct bge_softc *sc)
 	}
 
 	/* Configure mbuf pool watermarks */
-	if (!(BGE_IS_5705_PLUS(sc))) {
+	if (BGE_IS_5705_PLUS(sc)) {
 		CSR_WRITE_4(sc, BGE_BMAN_MBUFPOOL_READDMA_LOWAT, 0x0);
 		CSR_WRITE_4(sc, BGE_BMAN_MBUFPOOL_MACRX_LOWAT, 0x10);
 	} else {