diff --git a/actionpack/lib/action_dispatch/routing/route_set.rb b/actionpack/lib/action_dispatch/routing/route_set.rb
index 4a13de98bc..25801128d0 100644
--- a/actionpack/lib/action_dispatch/routing/route_set.rb
+++ b/actionpack/lib/action_dispatch/routing/route_set.rb
@@ -884,7 +884,7 @@ def call(env)
 
       def recognize_path(path, environment = {})
         method = (environment[:method] || "GET").to_s.upcase
-        path = Journey::Router::Utils.normalize_path(path) unless path.include?("://")
+        path = Journey::Router::Utils.normalize_path(path) unless path&.include?("://")
         extras = environment[:extras] || {}
 
         begin
diff --git a/actionpack/test/controller/routing_test.rb b/actionpack/test/controller/routing_test.rb
index e947d1c50e..d8f30cf7ba 100644
--- a/actionpack/test/controller/routing_test.rb
+++ b/actionpack/test/controller/routing_test.rb
@@ -2129,6 +2129,7 @@ def test_recognize_path
     assert_equal({ controller: "geocode", action: "show", postalcode: "12345" }, @routes.recognize_path("/extended/geocode/12345"))
 
     assert_equal({ controller: "news", action: "index" }, @routes.recognize_path("/", method: :get))
+    assert_equal({ controller: "news", action: "index" }, @routes.recognize_path(nil))
     assert_equal({ controller: "news", action: "index", format: "rss" }, @routes.recognize_path("/news.rss", method: :get))
 
     assert_raise(ActionController::RoutingError) { @routes.recognize_path("/none", method: :get) }