diff --git a/lib/VGA_ctrl/sim/tb_vga_frontend.fdo b/lib/VGA_ctrl/sim/tb_vga_frontend.fdo
index a990d6e..afeeea5 100644
--- a/lib/VGA_ctrl/sim/tb_vga_frontend.fdo
+++ b/lib/VGA_ctrl/sim/tb_vga_frontend.fdo
@@ -2,6 +2,7 @@
 ## Autogenerated by ProjNav (creatfdo.tcl) on Thu Jul 06 20:49:07 Westeuropäische Sommerzeit 2006
 ##
 vlib work
+vcom -explicit  -93 "../../misc/utils_pkg.vhd"
 vcom -explicit  -93 "../../misc/dpram_1w1r.vhd"
 vcom -explicit  -93 "../../FIFO/src/fifo_ctrl_pkg.vhd"
 vcom -explicit  -93 "../../FIFO/src/gray_counter.vhd"
diff --git a/lib/VGA_ctrl/sim/tb_vga_frontend64.fdo b/lib/VGA_ctrl/sim/tb_vga_frontend64.fdo
index 664a74c..6b5b656 100644
--- a/lib/VGA_ctrl/sim/tb_vga_frontend64.fdo
+++ b/lib/VGA_ctrl/sim/tb_vga_frontend64.fdo
@@ -2,6 +2,7 @@
 ## Autogenerated by ProjNav (creatfdo.tcl) on Thu Jul 06 20:49:07 Westeuropäische Sommerzeit 2006
 ##
 vlib work
+vcom -explicit  -93 "../../misc/utils_pkg.vhd"
 vcom -explicit  -93 "../../misc/dpram_1w1r.vhd"
 vcom -explicit  -93 "../../FIFO/src/fifo_ctrl_pkg.vhd"
 vcom -explicit  -93 "../../FIFO/src/gray_counter.vhd"
diff --git a/lib/VGA_ctrl/src/char_gen.vhd b/lib/VGA_ctrl/src/char_gen.vhd
index b0f8579..1f412da 100644
--- a/lib/VGA_ctrl/src/char_gen.vhd
+++ b/lib/VGA_ctrl/src/char_gen.vhd
@@ -21,6 +21,7 @@ library IEEE;
 use IEEE.STD_LOGIC_1164.ALL;
 use IEEE.NUMERIC_STD.ALL;
 
+use work.utils_pkg.all;
 use work.vga_types.all;
 
 entity char_gen is