diff --git a/lib/CPUs/JCpu/Makefile b/lib/CPUs/JCpu/Makefile
index 2e8a59c..921d03f 100644
--- a/lib/CPUs/JCpu/Makefile
+++ b/lib/CPUs/JCpu/Makefile
@@ -1,8 +1,16 @@
 include $(VHDL_HOME)/make/defs.mk
+TOOL_PATH := $(VHDL_HOME)/tools/jcpu/jasm
 
+.PHONY: install uninstall
 all: install
 
-install:
-	mkdir -p $(VHDL_HOME)/tools/jasm
-	cp -r tools/* $(VHDL_HOME)/tools/jasm
+$(TOOL_PATH):
+	mkdir -p $@	
 	
+install: $(TOOL_PATH)
+	cp -r tools/* $(TOOL_PATH)
+
+uninstall: 
+	rm -rf $(TOOL_PATH)
+
+