diff --git a/lib/CPUs/MIPS/src/tb_mips_top.vhd b/lib/CPUs/MIPS/src/tb_mips_top.vhd
index 88ee048..65f9fb1 100644
--- a/lib/CPUs/MIPS/src/tb_mips_top.vhd
+++ b/lib/CPUs/MIPS/src/tb_mips_top.vhd
@@ -37,7 +37,7 @@ END tb_mips_top;
 
 ARCHITECTURE behavior OF tb_mips_top IS 
 
-	constant SYS_FREQ	 			: natural := 100E6;
+	constant SYS_FREQ	 			: real := 100.0;
 	constant CLK_PERIOD 			: time := 10 ns;
 	constant SRAM_ADDR_WIDTH		: integer := 17;		-- bits
 	constant FLASH_ADDR_WIDTH		: integer := 17;		-- bits
@@ -267,7 +267,7 @@ inst_gpio : entity work.gpio_wb
 inst_flash_port : entity work.async_port_wb
 	GENERIC MAP
 	(
-		f_sysclk_hz		=> SYS_FREQ,
+		f_sysclk		=> SYS_FREQ,
 		addr_width		=> FLASH_ADDR_WIDTH,
 		data_width		=> 32,
 		byte_sel_width	=> 4,
@@ -300,7 +300,7 @@ inst_flash_port : entity work.async_port_wb
 inst_sram_port : entity work.async_port_wb
 	GENERIC MAP
 	(
-		f_sysclk_hz		=> SYS_FREQ,
+		f_sysclk		=> SYS_FREQ,
 		addr_width		=> SRAM_ADDR_WIDTH,
 		data_width		=> 32,
 		byte_sel_width	=> 4,