diff --git a/views/ngXosLib/xosHelpers/src/ui_components/smartComponents/smartTable/smartTable.component.js b/views/ngXosLib/xosHelpers/src/ui_components/smartComponents/smartTable/smartTable.component.js
index 08844f6..622952f 100644
--- a/views/ngXosLib/xosHelpers/src/ui_components/smartComponents/smartTable/smartTable.component.js
+++ b/views/ngXosLib/xosHelpers/src/ui_components/smartComponents/smartTable/smartTable.component.js
@@ -242,7 +242,7 @@
                 prop: p
               };
 
-              if(typeof item[p] !== 'string' && typeof item[p] !== 'undefined'){
+              if(angular.isString(item[p]) && typeof item[p] !== 'undefined'){
                 fieldConfig.type = typeof item[p];
               }