diff --git a/spec/routing/routes_spec.rb b/spec/routing/routes_spec.rb
index a32c6dd..00c16b7 100644
--- a/spec/routing/routes_spec.rb
+++ b/spec/routing/routes_spec.rb
@@ -66,9 +66,13 @@
   end
 
   context "with default configuration disabled" do
-    before do
+    around do |example|
+      cached_high_voltage_routes = HighVoltage.routes
       HighVoltage.routes = false
       Rails.application.reload_routes!
+      example.run
+      HighVoltage.routes = cached_high_voltage_routes
+      Rails.application.reload_routes!
     end
 
     it "should not recognize routes" do