diff --git a/example.php b/example.php
index eed4536..2a475df 100644
--- a/example.php
+++ b/example.php
@@ -23,6 +23,9 @@ $validator->addFieldConstraint(0, new Email());
 // The second field must contain a date
 $validator->addFieldConstraint(1, new Date());
 
+// Validate the legend
+$validator->setExceptedLegend(array('foo', 'bar', 'bim'));
+
 // An line must contain 3 columns
 $validator->addDataConstraint(new Callback(function($data, ExecutionContextInterface $context) {
     if (count($data) !== 6) { // 6 because of the legend (3 fields * 2)
diff --git a/src/Deblan/CsvValidator/Validator.php b/src/Deblan/CsvValidator/Validator.php
index 13594ac..52459cd 100644
--- a/src/Deblan/CsvValidator/Validator.php
+++ b/src/Deblan/CsvValidator/Validator.php
@@ -89,6 +89,19 @@ class Validator
         return $this;
     }
 
+    /**
+     * Set the excepted legend
+     *
+     * @param array $legend Expected legend
+     * @return Validator
+     */
+    public function setExceptedLegend(array $legend) 
+    {
+        $this->expectedLegend = $legend;
+
+        return $this;
+    }
+
     /**
      * Run the validation
      */
@@ -98,6 +111,7 @@ class Validator
             return;
         }
 
+        $this->validateLegend();
         $this->validateDatas();
         $this->validateFields();
 
@@ -105,6 +119,21 @@ class Validator
         $this->hasValidate = true;
     }
     
+    protected function validateLegend() 
+    {
+        if (!$this->parser->getHasLegend()) {
+            return;
+        }
+
+        if (null === $this->expectedLegend) {
+            return;
+        }
+    
+        if ($this->parser->getLegend() !== $this->expectedLegend) {
+            $this->mergeErrorMessage('Invalid legend.', 1);
+        }
+    }
+
     /**
      * Validates datas
      */
diff --git a/tests/fixtures/example.csv b/tests/fixtures/example.csv
index 677f622..a38a583 100644
--- a/tests/fixtures/example.csv
+++ b/tests/fixtures/example.csv
@@ -1,4 +1,4 @@
-"foo";"bar";""
+"foo";"bar";"boo"
 "foo1";"1989-07-27";""
 "foo2@bar.com";"bar2";""
 "foo3@bar.com";"1989-07-27"