diff --git a/lib/filter/sim/tb_fir_semi_parallel.fdo b/lib/filter/sim/tb_fir_semi_parallel.fdo
index 7f40aed..9c34c96 100644
--- a/lib/filter/sim/tb_fir_semi_parallel.fdo
+++ b/lib/filter/sim/tb_fir_semi_parallel.fdo
@@ -1,6 +1,6 @@
 vlib work
 vcom -explicit  -93 "../../../lib/misc/utils_pkg.vhd"
-vcom -explicit  -93 "../../../lib/misc/dpram_1w1r.vhd"
+vcom -explicit  -93 "../../../lib/rams/dpram_1w1r2c_ro_sim.vhd"
 vcom -explicit  -93 "../../../lib/fixed/fixed_util_pkg.vhd"
 vcom -explicit  -93 "../../../lib/PCK_FIO-2002.7/PCK_FIO_1993.vhd"
 vcom -explicit  -93 "../../../lib/PCK_FIO-2002.7/PCK_FIO_1993_BODY.vhd"