diff --git a/src/Medoo.php b/src/Medoo.php
index 7750c5b2..471d2d31 100644
--- a/src/Medoo.php
+++ b/src/Medoo.php
@@ -900,7 +900,7 @@ protected function dataImplode(array $data, array &$map, string $conjunctor): st
                 continue;
             }
 
-            if ($operator && $operator != '=') {
+            if ($operator && $operator !== '=') {
                 if (in_array($operator, ['>', '>=', '<', '<='])) {
                     $condition = "{$column} {$operator} ";