diff --git a/libraries/plugins/import/ImportMediawiki.class.php b/libraries/plugins/import/ImportMediawiki.class.php
index dab6226f85..8bd057f56e 100644
--- a/libraries/plugins/import/ImportMediawiki.class.php
+++ b/libraries/plugins/import/ImportMediawiki.class.php
@@ -558,7 +558,7 @@ class ImportMediawiki extends ImportPlugin
 
         // A '|' inside an invalid link should not
         // be mistaken as delimiting cell parameters
-        if (/*overload*/mb_strpos($cell_data[0], '[[') !== true) {
+        if (/*overload*/mb_strpos($cell_data[0], '[[') === false) {
             return $cell;
         }