### **Environment**:

Your OpenProject Version: Community

Operating System / Browser / OpenProject language: Win, Edge, 11.3

### **Steps to reproduce:**

1. create wiki page with special character in title
* e.g. "Übersicht"
2. search it for it:
* e.g type "Übersicht" in to search field in the upper right corner
3. select _wiki_
4. choose found wiki-page
* e.g. click on wiki page "Übersicht"

### **Actual Behavior**

* redirect to broken link
* shows empty, new wiki page
* e.g. https://host/projects/project/wiki/%C3%9Cbersicht

### **Expected Behavior**

* direkt to correct wiki page link
* e.g. Begin of the insertionhttps://host/projects/project/wiki/ubersichtEnd of the insertion Begin of the deletion https://host/projects/project/wiki/uebersichtEnd of the deletion