diff --git a/src/Annotation/Property/Field.php b/src/Annotation/Property/Field.php
index 3a6382c..3f97dfb 100644
--- a/src/Annotation/Property/Field.php
+++ b/src/Annotation/Property/Field.php
@@ -7,23 +7,23 @@ class Field implements \Ulmus\Annotation\Annotation {
     public string $type;
 
     public string $name;
-    
+
     # public string $column;
-    
+
     public int $length;
 
     public int $precision;
 
     public array $attributes = [];
 
-    public bool $nullable = false;
+    public bool $nullable;
 
     public function __construct(? string $type = null, ? int $length = null)
     {
         if ( $type !== null ) {
             $this->type = $type;
         }
-        
+
         if ( $length !== null ) {
             $this->length = $length;
         }
diff --git a/src/Common/EntityField.php b/src/Common/EntityField.php
index 8a0eb26..781f580 100644
--- a/src/Common/EntityField.php
+++ b/src/Common/EntityField.php
@@ -58,7 +58,7 @@ class EntityField
         return implode(" ", [
             $definition->getSqlName(),
             $definition->getSqlType(),
-
+            $definition->getSqlParams(),
         ]);
     }
 
diff --git a/src/Migration/FieldDefinition.php b/src/Migration/FieldDefinition.php
index c96215c..c129c04 100644
--- a/src/Migration/FieldDefinition.php
+++ b/src/Migration/FieldDefinition.php
@@ -28,11 +28,12 @@ class FieldDefinition {
         $this->builtIn = $data['builtin'];
         $this->tags = $data['tags'];
 
+
         $field = $this->getFieldTag();
         $this->type = $field->type ?? $data['type'];
         $this->length = $field->length ?? null;
         $this->precision = $field->precision ?? null;
-        $this->nullable = $field->nullable ?? $data['nullable'];
+        $this->nullable = isset($field->nullable) ? $field->nullable : $data['nullable'];
         $this->update = $field->attributes['update'] ?? null;
     }
 
@@ -41,11 +42,10 @@ class FieldDefinition {
         return $this->getColumnName();
     }
 
-    public function getSqlType() : string
+    public function getSqlType(bool $typeOnly = false) : string
     {
         $type = $this->type;
         $length = $this->length;
-        $default = $this->getDefault();
 
         switch($type) {
             case "bool":
@@ -86,8 +86,14 @@ class FieldDefinition {
                 break;
         }
 
+        return $typeOnly ? $type : $type . ( $length ? "($length" . ( $precision ? ",$precision" : "" ) . ")" : "" );
+    }
+
+    public function getSqlParams() : string
+    {
+        $default = $this->getDefault();
+
         return implode(' ', array_filter([
-            $type . ( $length ? "($length" . ( $precision ? ",$precision" : "" ) . ")" : "" ),
             $this->isUnsigned() ? "UNSIGNED" : null,
             $this->nullable ? "NULL" : "NOT NULL",
             $default ? "DEFAULT $default" : null,
@@ -112,7 +118,7 @@ class FieldDefinition {
 
     protected function getDefault() : ? string
     {
-        return $this->getFieldTag()->attributes['default'] ?? null;
+        return $this->getFieldTag()->attributes['default'] ?? ( $this->nullable ? "NULL" : null ) ;
     }
 
     protected function isPrimaryKey() : bool