diff --git a/scm-core/src/main/java/sonia/scm/url/WUIUrlBuilder.java b/scm-core/src/main/java/sonia/scm/url/WUIUrlBuilder.java
index 1fefbac529..a34d2e6177 100644
--- a/scm-core/src/main/java/sonia/scm/url/WUIUrlBuilder.java
+++ b/scm-core/src/main/java/sonia/scm/url/WUIUrlBuilder.java
@@ -81,6 +81,11 @@ public class WUIUrlBuilder
       value = NULL;
     }
 
+    if (!this.url.endsWith(SEPARATOR))
+    {
+      this.url = this.url.concat(SEPARATOR);
+    }
+
     this.url = this.url.concat(value);
 
     return this;