diff --git a/src/Condition/HashCondition.php b/src/Condition/HashCondition.php
index 887c3f6..ad40874 100644
--- a/src/Condition/HashCondition.php
+++ b/src/Condition/HashCondition.php
@@ -20,9 +20,8 @@ class HashCondition extends Condition
 			return '';
 		}
 		foreach ($this->value as $key => $value) {
-			if ($value === null) {
-				continue;
-			}
+			if (is_null($value)) continue;
+
 			$array[] = sprintf("%s = '%s'", $key, addslashes($value));
 		}
 		return implode(' AND ', $array);
diff --git a/src/Traits/Builder.php b/src/Traits/Builder.php
index 5c21b38..4481d76 100644
--- a/src/Traits/Builder.php
+++ b/src/Traits/Builder.php
@@ -129,6 +129,8 @@ trait Builder
 		if (empty($where)) return '';
 		if (is_string($where)) return $where;
 		foreach ($where as $key => $value) {
+			if (is_null($value)) continue;
+
 			$_value = $this->resolveCondition($key, $value, $_tmp);
 
 			if (empty($_value)) continue;