diff --git a/test/Makefile b/test/Makefile
index ee1d524..f18f81a 100644
--- a/test/Makefile
+++ b/test/Makefile
@@ -82,8 +82,8 @@ test: $(tests) output
 		fail=$$(expr $${fail} + 1) ; \
 		fi ; done || true ; \
 		if [ $${fail} == 0 ] ; \
-		then printf "\nResults: \e[0;32mOk\e[0m. %i succeeded; %i failed\n" $${success} $${fail} ; \
-		else printf "\nResults: \e[0;31mFAILED\e[0m. %i succeeded; %i failed\n" $${success} $${fail} ; \
+		then echo -e '\nResults: \e[0;32mOk\e[0m.' "$${success} succeeded; $${fail} failed" ; \
+		else echo -e '\nResults: \e[0;31mFAILED\e[0m.' "$${success} succeeded; $${fail} failed\n" ; \
 		fi
 
 output: