--- a/test/run-tests.sh
+++ b/test/run-tests.sh
@@ -12,7 +12,9 @@ else
         diff test1-result.trace test1-correct.be.trace &> /dev/null
         if test $? -eq 0; then
                 echo "passed."
+                exit 0
         else
                 echo "FAILED."
+                exit 1
         fi
 fi