diff --git a/test/notmuch-test b/test/notmuch-test
index adc657d2..0ea4f4f7 100755
--- a/test/notmuch-test
+++ b/test/notmuch-test
@@ -54,4 +54,4 @@ done
 ./aggregate-results.sh test-results/*
 
 # Clean up
-rm -r test-results corpus.mail
+rm -rf test-results corpus.mail