diff --git a/test/Makefile b/test/Makefile
index c24f2ee..6dd9792 100644
--- a/test/Makefile
+++ b/test/Makefile
@@ -4,8 +4,8 @@ VHD_STD = 02
 .PHONY: sim
 sim: queuet stringt
 
-queuet : QueueT.vhd $(SIM_SRC)/QueueP.vhd
-	ghdl -a --std=$(VHD_STD) $(SIM_SRC)/QueueP.vhd QueueT.vhd
+queuet : QueueT.vhd $(SIM_SRC)/QueueP.vhd $(SIM_SRC)/StringP.vhd $(SIM_SRC)/AssertP.vhd
+	ghdl -a --std=$(VHD_STD) $(SIM_SRC)/StringP.vhd $(SIM_SRC)/AssertP.vhd $(SIM_SRC)/QueueP.vhd QueueT.vhd
 	ghdl -e --std=$(VHD_STD) QueueT
 	ghdl -r --std=$(VHD_STD) QueueT