// Update image fix

controllers/admin/AdminGendersController.php

@@ -202,6 +202,22 @@ class AdminGendersControllerCore extends AdminController
 		}
 		return !count($this->errors) ? true : false;
 	}
+
+	protected function afterImageUpload()
+	{
+		parent::afterImageUpload();
+
+		if (($id_gender = (int)Tools::getValue('id_gender')) &&
+			 isset($_FILES) && count($_FILES) && file_exists(_PS_GENDERS_DIR_.$id_gender.'.jpg'))
+		{
+			$current_file = _PS_TMP_IMG_DIR_.'gender_mini_'.$id_gender.'_'.$this->context->shop->id.'.jpg';
+
+			if (file_exists($current_file))
+				unlink($current_file);
+		}
+
+		return true;
+	}
 }