diff --git a/ICD.Common.Utils/StringUtils.cs b/ICD.Common.Utils/StringUtils.cs
index 325a55e..5743312 100644
--- a/ICD.Common.Utils/StringUtils.cs
+++ b/ICD.Common.Utils/StringUtils.cs
@@ -452,8 +452,17 @@ namespace ICD.Common.Utils
 		/// <returns></returns>
 		public static byte FromIpIdString(string value)
 		{
-			value = value.Replace("0x", "");
-			return Convert.ToByte(value, 16);
+			if (value == null)
+				throw new ArgumentNullException("value");
+
+			try
+			{
+				return (byte)Convert.ToInt64(value, 16);
+			}
+			catch (ArgumentOutOfRangeException e)
+			{
+				throw new FormatException(e.Message, e);
+			}
 		}
 
 		/// <summary>
diff --git a/ICD.Common.Utils/Xml/XmlReaderExtensions.cs b/ICD.Common.Utils/Xml/XmlReaderExtensions.cs
index 87b8617..f1d9510 100644
--- a/ICD.Common.Utils/Xml/XmlReaderExtensions.cs
+++ b/ICD.Common.Utils/Xml/XmlReaderExtensions.cs
@@ -246,7 +246,7 @@ namespace ICD.Common.Utils.Xml
 				throw new ArgumentNullException("extends");
 
 			string content = extends.ReadElementContentAsString();
-			return (byte)Convert.ToInt64(content, 16);
+			return StringUtils.FromIpIdString(content);
 		}
 
 		/// <summary>