diff --git a/tests/webfiori/database/tests/mssql/MSSQLQueryBuilderTest.php b/tests/webfiori/database/tests/mssql/MSSQLQueryBuilderTest.php
index b5c8572..3c6e337 100644
--- a/tests/webfiori/database/tests/mssql/MSSQLQueryBuilderTest.php
+++ b/tests/webfiori/database/tests/mssql/MSSQLQueryBuilderTest.php
@@ -1029,7 +1029,11 @@ public function testSelectWithWhere000() {
         $schema = new MSSQLTestSchema();
         $bulder = $schema->table('users')->select()->where('id', 66);
         $this->assertEquals('select * from [users] where [users].[id] = ?', $schema->getLastQuery());
-        $bulder->getTable()->getSelect()->addWhere(new Expression('year(x)'), new Expression('in(300)'));
+        $bulder->getTable()->getSelect()->addWhere(new Expression('year(x) in(300)'));
+        $bulder->groupBy([
+            'first-name',
+            'last-name'
+        ]);
         $this->assertEquals('select * from [users] where [users].[id] = ? and year(x) in(300) group by [users].[first_name], [users].[last_name]', $schema->getLastQuery());
     }
     /**
diff --git a/webfiori/database/Condition.php b/webfiori/database/Condition.php
index aa059e0..0ffa767 100644
--- a/webfiori/database/Condition.php
+++ b/webfiori/database/Condition.php
@@ -59,9 +59,10 @@ class Condition {
      * 
      * @since 1.0
      */
-    public function __construct($leftOperand, $rightOperand, string $condition) {
+    public function __construct($leftOperand, $rightOperand, string $condition = null) {
         $this->setLeftOperand($leftOperand);
         $this->setRightOperand($rightOperand);
+        $this->condition = '';
         $this->setCondition($condition);
     }
     /**
@@ -143,8 +144,8 @@ public function getRightOperand() {
      * 
      * @since 1.0.2
      */
-    public function setCondition(string $cond) {
-        $conditionT = trim($cond);
+    public function setCondition(string $cond = null) {
+        $conditionT = trim($cond.'');
 
         if (strlen($conditionT) != 0) {
             $this->condition = $conditionT;
diff --git a/webfiori/database/SelectExpression.php b/webfiori/database/SelectExpression.php
index 71fe724..d6649b0 100644
--- a/webfiori/database/SelectExpression.php
+++ b/webfiori/database/SelectExpression.php
@@ -225,7 +225,9 @@ public function addWhere($leftOpOrExp, $rightOp = null, string $cond = null, str
 
             $this->whereExp = $parentWhere;
         } else {
-            if ($rightOp === null) {
+            if ($leftOpOrExp instanceof Expression && $rightOp === null) {
+                $this->whereExp->addCondition($leftOpOrExp, $join);
+            } else if ($rightOp === null) {
                 $this->addWhereNull($leftOpOrExp, $join, !($cond == '='));
             } else {
                 if ($this->whereExp === null) {