Fixed JSON encoding in IconPreFilterTemplatePlugin (#5413)

see 50589568f191c4a3b2c015b60974378b22ccd24c

diff --git a/wcfsetup/install/files/lib/system/template/plugin/IconPrefilterTemplatePlugin.class.php b/wcfsetup/install/files/lib/system/template/plugin/IconPrefilterTemplatePlugin.class.php
index d8107b8f1ba903a8ed6d4faf3f6d68d1ca666d9c..67fceda4a1582ef894a8d9699f383739b9dcf22b 100644 (file)
--- a/wcfsetup/install/files/lib/system/template/plugin/IconPrefilterTemplatePlugin.class.php
+++ b/wcfsetup/install/files/lib/system/template/plugin/IconPrefilterTemplatePlugin.class.php
@@ -41,7 +41,7 @@ final class IconPrefilterTemplatePlugin implements IPrefilterTemplatePlugin
                     $html = $this->getIcon($type, $name)->toHtml($size);
 
                     if ($encodeJson) {
-                        return JSON::encode($encodeJson);
+                        return JSON::encode($html);
                     }
 
                     return $html;