diff --git a/projects/mips_de0_nano/quartus/mips/mips_sys.vhd b/projects/mips_de0_nano/quartus/mips/mips_sys.vhd
index bac2d21..e2846a4 100644
--- a/projects/mips_de0_nano/quartus/mips/mips_sys.vhd
+++ b/projects/mips_de0_nano/quartus/mips/mips_sys.vhd
@@ -424,8 +424,8 @@ inst_spi_flash : entity work.spi_flash_wb
 inst_ctrl_sdr_wb32 : entity work.ctrl_sdr_wb32
 	GENERIC MAP
 	(
-		F_SYSCLK	 	=> 50.000,
-		F_SDRCLK_IN	 	=> 50.000,
+		F_SYSCLK	 	=> F_SYSCLK,
+		F_SDRCLK_IN	 	=> F_SYSCLK,
 		F_SDRCLK	 	=> 100.000,
 		FIFO_DEPTH		=> 4,
 		TPD_BOARD_SIM	=> 3100 ps