diff --git a/Makefile b/Makefile
index 35a40972a..b31b7f261 100644
--- a/Makefile
+++ b/Makefile
@@ -109,7 +109,7 @@ test:
 	$(MAKE) testfront
 
 coverage: $(INSTALL_DIR)/koreader/.luacov
-	cd $(INSTALL_DIR)/koreader && ./luajit $(shell which busted) --coverage --exclude-tags=nocov
+	cd $(INSTALL_DIR)/koreader && ./luajit $(shell which busted) -o verbose_print --coverage --exclude-tags=nocov
 	# coverage report summary
 	cd $(INSTALL_DIR)/koreader && tail -n \
 		+$$(($$(grep -nm1 Summary luacov.report.out|cut -d: -f1)-1)) \