diff --git a/lib/VGA_ctrl/src/vga_frontend64.vhd b/lib/VGA_ctrl/src/vga_frontend64.vhd
index 637b568..7d6a952 100644
--- a/lib/VGA_ctrl/src/vga_frontend64.vhd
+++ b/lib/VGA_ctrl/src/vga_frontend64.vhd
@@ -154,10 +154,10 @@ proc_bufchg_irq:
 	process(CLK_I)
 	begin
 		if rising_edge(CLK_I) then
-			if RST_I = '1' or bufchg_flag_ack = '1' then
+			if pixel_cnt_rst = '1' or bufchg_flag_ack = '1' then
 				bufchg_flag	<= '0';
 			elsif bufchg = '1' then
-				bufchg_flag	<= vga_master_en;
+				bufchg_flag	<= '1';
 			end if;
 			INT_O		<= bufchg_flag and bufchg_irq_en;
 		end if;