diff --git a/code/ExternalURL.php b/code/ExternalURL.php
index 7a41c95..9e723a8 100644
--- a/code/ExternalURL.php
+++ b/code/ExternalURL.php
@@ -27,7 +27,7 @@ public function Nice()
                 unset($parts[$part]);
             }
 
-            return rtrim(http_build_url($parts), "/");
+            return http_build_url($parts);
         }
     }
 
diff --git a/code/ExternalURLField.php b/code/ExternalURLField.php
index 2b9eb06..3fff96c 100644
--- a/code/ExternalURLField.php
+++ b/code/ExternalURLField.php
@@ -152,7 +152,7 @@ protected function rebuildURL($url)
             }
         }
 
-        return rtrim(http_build_url($defaults, $parts), "/");
+        return http_build_url($defaults, $parts);
     }
 
     /**