diff --git a/module/VuFind/src/VuFind/Recommend/SideFacets.php b/module/VuFind/src/VuFind/Recommend/SideFacets.php
index 03f014f449a17251bf51ab09b443abc1c0530767..723c8d74d7bd0da161cb12286607367d7d1d8d37 100644
--- a/module/VuFind/src/VuFind/Recommend/SideFacets.php
+++ b/module/VuFind/src/VuFind/Recommend/SideFacets.php
@@ -353,7 +353,7 @@ class SideFacets extends AbstractFacets
      *
      * @return int
      */
-    public function getShowMoreSetting($facetName = '*')
+    public function getShowMoreSetting($facetName)
     {
         // Look for either facet-specific configuration or else a configured
         // default. If neither is found, initialize return value to 0.