diff --git a/src/Umbraco.Web.UI/Views/Partials/Grid/Editors/TextString.cshtml b/src/Umbraco.Web.UI/Views/Partials/Grid/Editors/TextString.cshtml
index 4408cc4322..4cf2e73658 100644
--- a/src/Umbraco.Web.UI/Views/Partials/Grid/Editors/TextString.cshtml
+++ b/src/Umbraco.Web.UI/Views/Partials/Grid/Editors/TextString.cshtml
@@ -6,7 +6,11 @@
     string markup = Model.editor.config.markup.ToString();
     var umbracoHelper = new UmbracoHelper(UmbracoContext.Current);
     markup = markup.Replace("#value#", umbracoHelper.ReplaceLineBreaksForHtml(HttpUtility.HtmlEncode(Model.value.ToString())));
-    markup = markup.Replace("#style#", Model.editor.config.style.ToString());
+    
+    if (Model.editor.config.style != null)
+    {
+        markup = markup.Replace("#style#", Model.editor.config.style.ToString());
+    }
 
     <text>
         @Html.Raw(markup)