diff --git a/src/Microsoft.AspNet.Mvc.TagHelpers/LinkTagHelper.cs b/src/Microsoft.AspNet.Mvc.TagHelpers/LinkTagHelper.cs
index 28a6d65640..26ebf63d63 100644
--- a/src/Microsoft.AspNet.Mvc.TagHelpers/LinkTagHelper.cs
+++ b/src/Microsoft.AspNet.Mvc.TagHelpers/LinkTagHelper.cs
@@ -292,22 +292,22 @@ namespace Microsoft.AspNet.Mvc.TagHelpers
builder.Append(Environment.NewLine);
// Build the tag that's used to test for the presence of the stylesheet
- builder.Append(string.Format(
+ builder.AppendFormat(
CultureInfo.InvariantCulture,
"",
- HtmlEncoder.HtmlEncode(FallbackTestClass)));
+ HtmlEncoder.HtmlEncode(FallbackTestClass));
// Build the tag that checks the effective style of tag above and renders the extra
// tag to load the fallback stylesheet if the test CSS property value is found to be false,
// indicating that the primary stylesheet failed to load.
builder
.Append("");
}
}