diff --git a/CHANGELOG.md b/CHANGELOG.md
index 644e02b..eb4bd55 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 ## [Unreleased]
 
 ### Added
+ - Added Not null tag for ICDUriBuilder Constructor that takes a URI as an argument.
  - Added MathUtils methods for converting to and from percentages
  - Added enum extensions for finding the inclusion and exclusion of enum flags
  - Added DateTime extensions for adding years, months, days, hours, minutes and wrapping without modifying other values
diff --git a/ICD.Common.Utils/IcdUriBuilder.cs b/ICD.Common.Utils/IcdUriBuilder.cs
index 82a4e04..eb8bf4c 100644
--- a/ICD.Common.Utils/IcdUriBuilder.cs
+++ b/ICD.Common.Utils/IcdUriBuilder.cs
@@ -4,6 +4,7 @@ using System.Linq;
 #endif
 using System.Text;
 using System.Text.RegularExpressions;
+using ICD.Common.Properties;
 using ICD.Common.Utils.Extensions;
 
 namespace ICD.Common.Utils
@@ -85,7 +86,7 @@ namespace ICD.Common.Utils
 		/// Constructor.
 		/// </summary>
 		/// <param name="uri"></param>
-		public IcdUriBuilder(Uri uri)
+		public IcdUriBuilder([NotNull] Uri uri)
 		{
 			if (uri == null)
 				throw new ArgumentNullException("uri");