diff --git a/projects/mips_sys/ise101/mips_sys/project/mips_sys.prj b/projects/mips_sys/ise101/mips_sys/project/mips_sys.prj
index 1c1eeaf..f5edc1f 100644
--- a/projects/mips_sys/ise101/mips_sys/project/mips_sys.prj
+++ b/projects/mips_sys/ise101/mips_sys/project/mips_sys.prj
@@ -27,6 +27,7 @@ vhdl work "../../../../lib/SDRAM/ddr_sdr_v1_5/src/ctrl_ddr_wb64.vhd"
 vhdl work "../../../../lib/uart/kcuart_tx.vhd"
 vhdl work "../../../../lib/uart/kcuart_rx.vhd"
 vhdl work "../../../../lib/uart/bbfifo_16x8.vhd"
+vhdl work "../../../../lib/uart/uart_types.vhd"
 vhdl work "../../../../lib/uart/uart_xil.vhd"
 vhdl work "../../../../lib/uart/uart_wb.vhd"
 vhdl work "../../../../lib/emac/src/sipo.vhd"