diff --git a/Language/StringEx.vb b/Language/StringEx.vb
index 2fcfa2b1..4dd4d99b 100644
--- a/Language/StringEx.vb
+++ b/Language/StringEx.vb
@@ -20,7 +20,6 @@ Public Module StringEx
     ''' <returns>The escaped string.</returns>
     <Extension()>
     Public Function EscapeForSQL(pString As String) As String
-        If String.IsNullOrEmpty(pString) Then Return pString
-        Return pString.Replace("'", "''")
+        Return Utils.NotNull(pString, String.Empty).Replace("'", "''")
     End Function
 End Module