diff --git a/conf.toml b/conf.toml
index 01a79fa..bb984a9 100644
--- a/conf.toml
+++ b/conf.toml
@@ -4,7 +4,7 @@ name = "healthcheck"
 [stages.executor]
 name = "sandbox"
 [stages.executor.with.default]
-args = ["bash -c", "./build/healthcheck -root=./examples/healthcheck/reposize", "-meta='readme'", "-whitelist='.*\.md'", "-whitelist='.*\.json'", "-whitelist='.*\.sh'", "-whitelist='.git.*'"]
+args = ["bash -c", "./build/healthcheck -root=./examples/healthcheck/reposize", "-meta='readme'", "-whitelist='.*\\.md'", "-whitelist='.*\\.json'", "-whitelist='.*\\.sh'", "-whitelist='.git.*'"]
 env = ["PATH=/usr/bin:/bin"]
 cpuLimit = 10_000_000_000
 memoryLimit = 104_857_600