diff --git a/src/TwbBundle/Form/View/Helper/TwbBundleFormRow.php b/src/TwbBundle/Form/View/Helper/TwbBundleFormRow.php
index 11d77c4..0ec0bc4 100644
--- a/src/TwbBundle/Form/View/Helper/TwbBundleFormRow.php
+++ b/src/TwbBundle/Form/View/Helper/TwbBundleFormRow.php
@@ -218,7 +218,7 @@ protected function renderElement(ElementInterface $oElement, $sLabelPosition = n
                 if ($oElement->getOption('validation-state') || $oElement->getMessages()) {
                     if (empty($aLabelAttributes['class'])) {
                         $aLabelAttributes['class'] = 'control-label';
-                    } elseif (!preg_match('/(\s|^)control-label(\s|$)/', $aLabelAttributes['class'])) {
+                    } elseif (!preg_match('/(\s|^)control-label(\s|$)/', $aLabelAttributes['class']) && $sElementType !== 'checkbox') {
                         $aLabelAttributes['class'] = trim($aLabelAttributes['class'] . ' control-label');
                     }
                 }