diff --git a/system/src/Grav/Common/Page/Medium/ImageMedium.php b/system/src/Grav/Common/Page/Medium/ImageMedium.php
index 732df70de..8cfcb1017 100644
--- a/system/src/Grav/Common/Page/Medium/ImageMedium.php
+++ b/system/src/Grav/Common/Page/Medium/ImageMedium.php
@@ -166,7 +166,7 @@ class ImageMedium extends Medium
             $this->reset();
         }
 
-        return Grav::instance()['base_url'] . '/' . ltrim($output . $this->querystring() . $this->urlHash(), '/');
+        return trim(Grav::instance()['base_url'] . '/' . ltrim($output . $this->querystring() . $this->urlHash(), '/'), '\\');
     }
 
     /**
diff --git a/system/src/Grav/Common/Page/Medium/Medium.php b/system/src/Grav/Common/Page/Medium/Medium.php
index fb57aed8c..d63f12ed7 100644
--- a/system/src/Grav/Common/Page/Medium/Medium.php
+++ b/system/src/Grav/Common/Page/Medium/Medium.php
@@ -175,7 +175,7 @@ class Medium extends Data implements RenderableInterface
             $this->reset();
         }
 
-        return Grav::instance()['base_url'] . '/' . ltrim($output . $this->querystring() . $this->urlHash(), '/');
+        return trim(Grav::instance()['base_url'] . '/' . ltrim($output . $this->querystring() . $this->urlHash(), '/'), '\\');
     }
 
     /**