diff --git a/config.example.toml b/config.example.toml
index 59d4e24..a1d785d 100644
--- a/config.example.toml
+++ b/config.example.toml
@@ -4,7 +4,7 @@ sync_packages = true
 # shadowmire_upstream = "http://example.com/pypi/web/"
 # use_pypi_index = true
 exclude = [
-    "[a-z]"
+    "^[a-z]"
 ]
 prerelease_exclude = [
     ".+"