diff --git a/lib/emac/src/emac_rx.vhd b/lib/emac/src/emac_rx.vhd
index 918635b..3c1ef2b 100644
--- a/lib/emac/src/emac_rx.vhd
+++ b/lib/emac/src/emac_rx.vhd
@@ -267,7 +267,11 @@ byte_counter:
 	begin
 		if rising_edge(mii_rx_clk) then
 			if byte_count_rst = '1' then
-				byte_count		<= (others => '0');
+				if fcs_chk_en = '0' then
+					byte_count		<= to_unsigned(0, RAM_ADDR_WIDTH);
+				else
+					byte_count		<= unsigned(to_signed(-4, RAM_ADDR_WIDTH));
+				end if;
 			elsif sipo32_en = '1' and sipo32_din_vld = '1' then
 				byte_count		<= byte_count + 1;
 			end if;