diff --git a/Makefile b/Makefile
index 231ae3f..c32bc78 100644
--- a/Makefile
+++ b/Makefile
@@ -39,7 +39,7 @@ ${TMPDIR}:
 test: ${TMPDIR}
 	echo "Hello"
 	cd ${TMPDIR} && COMPILE_R7RS=${SCHEME} compile-r7rs -I . -o test test.scm
-	cd ${TMPDIR} && ./test
+	cd ${TMPDIR} && printf "\n" | ./test
 	cp ${TMPDIR}/foreign-c-${LIBRARY}.log ${SCHEME}-foreign-c-${LIBRARY}.log
 
 test-docker: ${TMPDIR}