diff --git a/src/router.js b/src/router.js
index db2c673d..24ce0a70 100644
--- a/src/router.js
+++ b/src/router.js
@@ -466,6 +466,7 @@ function evaluateNavigationStrategy(instruction: NavigationInstruction, evaluato
     for (let key in modules) {
       let vp = instruction.config.viewPorts[key] || {};
       vp.moduleId = modules[key];
+      instruction.config.viewPorts[key] = vp;
     }
 
     return instruction;