diff --git a/stdin.sh b/stdin.sh
index c7736d2..c4eaedf 100644
--- a/stdin.sh
+++ b/stdin.sh
@@ -1,3 +1,3 @@
 #!bash
 
-./build/healthcheck -root=./examples/repohealth/asciifile -whitelist=.*\.md -whitelist=.*\.json -whitelist=.*\.sh -whitelist=.git.* -whitelist=.*\.txt
+./build/healthcheck -root=./examples/repohealth/asciifile -whitelist=".*\.md" -whitelist=".*\.json" -whitelist=".*\.sh" -whitelist=".git.*" -whitelist=".*\.txt"