diff --git a/lib/emac/src/emac_tx.vhd b/lib/emac/src/emac_tx.vhd
index 68d64ea..b66ab9c 100644
--- a/lib/emac/src/emac_tx.vhd
+++ b/lib/emac/src/emac_tx.vhd
@@ -16,6 +16,7 @@ ENTITY emac_tx IS
 	(
 		clk				: in  STD_LOGIC;
 		rst				: in  STD_LOGIC;
+		din_vld			: in  STD_LOGIC;
 		din				: in  unsigned(31 downto 0);
 		ctrl_in			: in  tx_ctrl_in_t;
 		ctrl_out		: out tx_ctrl_out_t;
@@ -118,9 +119,9 @@ ARCHITECTURE behavior OF emac_tx IS
 	constant piso_byte_mask_rom : piso_byte_mask_array_t :=
 	(
 		"1111",
-		"0001",
-		"0011",
-		"0111"
+		"1000",
+		"1100",
+		"1110"
 	);
 	
 	
@@ -165,7 +166,7 @@ host_state_next:
 	end process;	
 
 host_state:
-	process(host_s, alloc_req, alloc_OK, fill_rdy, ctrl_in.data_vld)
+	process(host_s, alloc_req, alloc_OK, fill_rdy, din_vld)
 	begin
 	
 		flush_en			<= '0';
@@ -210,8 +211,8 @@ host_state:
 			host_sn			<= host_fill;
 
 		when host_fill =>
-			fill_cnt_adv	<= ctrl_in.data_vld;
-			fill_ptr_adv	<= not fill_rdy and ctrl_in.data_vld;
+			fill_cnt_adv	<= din_vld;
+			fill_ptr_adv	<= not fill_rdy and din_vld;
 			if alloc_req = '1' then
 				host_sn		<= host_alloc;
 			elsif fill_rdy = '1' then