diff --git a/src/QueryObject.php b/src/QueryObject.php
index f4f0daf..a80f4a0 100644
--- a/src/QueryObject.php
+++ b/src/QueryObject.php
@@ -208,10 +208,12 @@ function($_column) use ($qb, $value, $mode) {
 
 					switch ($mode) {
 						case QueryObjectByMode::STRICT:
+							$value = $value;
 							$condition = "$_column = :$paramName";
 							break;
 
 						case QueryObjectByMode::NOT_EQUAL:
+							$value = $value;
 							$condition = "$_column != :$paramName";
 							break;
 
@@ -254,18 +256,22 @@ function($_column) use ($qb, $value, $mode) {
 							break;
 
 						case QueryObjectByMode::GREATER:
+							$value = "$value";
 							$condition = "$_column > :$paramName";
 							break;
 
 						case QueryObjectByMode::GREATER_OR_EQUAL:
+							$value = "$value";
 							$condition = "$_column >= :$paramName";
 							break;
 
 						case QueryObjectByMode::LESS:
+							$value = "$value";
 							$condition = "$_column < :$paramName";
 							break;
 
 						case QueryObjectByMode::LESS_OR_EQUAL:
+							$value = "$value";
 							$condition = "$_column <= :$paramName";
 							break;
 
@@ -281,10 +287,12 @@ function($_column) use ($qb, $value, $mode) {
 					if ($mode === QueryObjectByMode::BETWEEN || $mode === QueryObjectByMode::NOT_BETWEEN) {
 						$qb->setParameter($paramName, $value[0]);
 						$qb->setParameter($paramName2, $value[1]);
-					} else if (!is_null($value)) {
+					} else {
 						$qb->setParameter($paramName, $value);
 					}
 
+
+
 					return $condition;
 				},
 				$column