diff --git a/Makefile b/Makefile
index 197b3099158fe1eaa9207f8432e3a62d824c19e0..ab6fc8adf99608a43035457c30741a4ed100c2bc 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 build:
-	gradle createJar
+	./gradlew createJar
 install:
 	echo "installing to local probcli/lib folder:"
-	mv build/libs/tlc4b-1.0.*.jar ../../prob_prolog/lib/TLC4B.jar 
\ No newline at end of file
+	mv build/libs/tlc4b-1.0.*.jar ../../prob_prolog/lib/TLC4B.jar