diff --git a/Makefile b/Makefile
index b82d0ea..d25e6c0 100644
--- a/Makefile
+++ b/Makefile
@@ -10,7 +10,7 @@ setup.bin: setup.ml
 	rm -f setup.cmx setup.cmi setup.o setup.cmo
 
 setup.data: setup.bin
-	./setup.bin -configure --prefix $(PREFIX) --enable-tests
+	./setup.bin -configure --prefix $(PREFIX) --disable-tests
 
 build: setup.data setup.bin
 	./setup.bin -build -j $(J)