diff --git a/src/makefile b/src/makefile
index f0f1378..de1e0db 100644
--- a/src/makefile
+++ b/src/makefile
@@ -18,7 +18,13 @@ clean:
 
 install:
 	mkdir -p /xlxd
-	cp $(EXECUTABLE) /xlxd/
-	cp -i ../config/xlxd.blacklist /xlxd/
-	cp -i ../config/xlxd.whitelist /xlxd/
-	cp -i ../config/xlxd.interlink /xlxd/
+	cp -f $(EXECUTABLE) /xlxd/
+	[ -f /xlxd/xlxd.blacklist ] && \
+		cp ../config/xlxd.blacklist /xlxd/xlxd.blacklist.sample || \
+		cp ../config/xlxd.blacklist /xlxd/xlxd.blacklist
+	[ -f /xlxd/xlxd.whitelist ] && \
+		cp ../config/xlxd.whitelist /xlxd/xlxd.whitelist.sample || \
+		cp ../config/xlxd.whitelist /xlxd/xlxd.whitelist
+	[ -f /xlxd/xlxd.interlink ] && \
+		cp ../config/xlxd.interlink /xlxd/xlxd.interlink.sample || \
+		cp ../config/xlxd.interlink /xlxd/xlxd.interlink