diff --git a/Makefile b/Makefile
index 0b0b3dbc4ddfbc964d1f39d6a10eeb65b40f9738..edcdcde56c97aca593c770a160f2c0420b2f0122 100644
--- a/Makefile
+++ b/Makefile
@@ -5,4 +5,4 @@ build:
 .PHONY: install
 install:
 	echo "installing to local probcli/lib folder:"
-	mv build/libs/tlc4b-1.0.*.jar ../../prob_prolog/lib/TLC4B.jar 
+	cp build/libs/tlc4b-1.0.*.jar ../../prob_prolog/lib/TLC4B.jar