diff --git a/libraries/classes/Display/Results.php b/libraries/classes/Display/Results.php
index 4b3b3e4608..84de469c86 100644
--- a/libraries/classes/Display/Results.php
+++ b/libraries/classes/Display/Results.php
@@ -1184,7 +1184,7 @@ class Results
 
         for ($j = 0; $j < $number_of_columns; $j++) {
             // PHP 7.4 fix for accessing array offset on bool
-            $col_visib_current = is_array($col_visib) ? $col_visib[$j] : null;
+            $col_visib_current = is_array($col_visib) && isset($col_visib[$j]) ? $col_visib[$j] : null;
 
             // assign $i with the appropriate column order
             $i = $col_order ? $col_order[$j] : $j;