diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7d950ba..8b0f691 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -45,6 +45,9 @@ jobs:
         name: Check HTTPS reachability
         if: false # Remove this line when the homepage will be configured, or change the path to check
         run: curl -vk --fail-with-body https://localhost
+      -
+        name: Check Mercure reachability
+        run: curl -vkI --fail-with-body https://localhost/.well-known/mercure?topic=test
       -
         name: Create test database
         if: false # Remove this line if Doctrine ORM is installed
diff --git a/frankenphp/Caddyfile b/frankenphp/Caddyfile
index 997774b..573219c 100644
--- a/frankenphp/Caddyfile
+++ b/frankenphp/Caddyfile
@@ -44,9 +44,14 @@
 	# Disable Topics tracking if not enabled explicitly: https://github.com/jkarlin/topics
 	header ?Permissions-Policy "browsing-topics=()"
 
-	@phpRoute not file {path}
+	@phpRoute {
+		not path /.well-known/mercure*
+		not file {path}
+	}
 	rewrite @phpRoute index.php
+
 	@frontController path index.php
 	php @frontController
+
 	file_server
 }