diff --git a/src/JwtAuthForWebAPI.SampleSite/App_Start/WebApiConfig.cs b/src/JwtAuthForWebAPI.SampleSite/App_Start/WebApiConfig.cs
index 1e18ce4..8c42453 100644
--- a/src/JwtAuthForWebAPI.SampleSite/App_Start/WebApiConfig.cs
+++ b/src/JwtAuthForWebAPI.SampleSite/App_Start/WebApiConfig.cs
@@ -19,16 +19,16 @@ public static void Register(HttpConfiguration config)
             var tokenBuilder = new SecurityTokenBuilder();
             var configReader = new ConfigurationReader();
 
-            var jwtHandlerCert = new JwtAuthenticationMessageHandler
+            var jwtHandlerCert = new JwtAuthenticationMessageHandler(Logger.Instance)
             {
                 AllowedAudience = configReader.AllowedAudience,
                 AllowedAudiences = configReader.AllowedAudiences,
                 Issuer = configReader.Issuer,
                 SigningToken = tokenBuilder.CreateFromCertificate(configReader.SubjectCertificateName),
                 PrincipalTransformer = new SamplePrincipalTransformer()
-            };    
-        
-            var jwtHandlerSharedKey = new JwtAuthenticationMessageHandler
+            };
+
+            var jwtHandlerSharedKey = new JwtAuthenticationMessageHandler(Logger.Instance)
             {
                 AllowedAudience = configReader.AllowedAudience,
                 Issuer = configReader.Issuer,
diff --git a/src/JwtAuthForWebAPI.SampleSite/JwtAuthForWebAPI.SampleSite.csproj b/src/JwtAuthForWebAPI.SampleSite/JwtAuthForWebAPI.SampleSite.csproj
index 438b3dd..6fb1247 100644
--- a/src/JwtAuthForWebAPI.SampleSite/JwtAuthForWebAPI.SampleSite.csproj
+++ b/src/JwtAuthForWebAPI.SampleSite/JwtAuthForWebAPI.SampleSite.csproj
@@ -155,6 +155,7 @@
     <Compile Include="Global.asax.cs">
       <DependentUpon>Global.asax</DependentUpon>
     </Compile>
+    <Compile Include="Logger.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="Security\SamplePrincipal.cs" />
     <Compile Include="Security\SamplePrincipalTransformer.cs" />
diff --git a/src/JwtAuthForWebAPI.SampleSite/Logger.cs b/src/JwtAuthForWebAPI.SampleSite/Logger.cs
new file mode 100644
index 0000000..641a584
--- /dev/null
+++ b/src/JwtAuthForWebAPI.SampleSite/Logger.cs
@@ -0,0 +1,44 @@
+
+
+using System;
+using log4net;
+
+namespace JwtAuthForWebAPI.SampleSite
+{
+    public class Logger : ILogger
+    {
+        readonly ILog _logger = LogManager.GetLogger("JwtAuthForWebAPI");
+
+        private static Logger instance;
+
+        private Logger() { }
+
+        public static Logger Instance
+        {
+            get 
+            {
+                if (instance == null)
+                {
+                    instance = new Logger();
+                }
+                return instance;
+            }
+        }
+
+        public void DebugFormat(string message, params object[] paramList)
+        {
+            _logger.DebugFormat(message,paramList);
+        }
+
+        public void WarnFormat(string message, Exception ex)
+        {
+            _logger.WarnFormat(message, ex);
+        }
+
+        public void ErrorFormat(string message, Exception ex)
+        {
+            _logger.WarnFormat(message, ex);
+        }
+    }
+}
+
diff --git a/src/JwtAuthForWebAPI/ILogger.cs b/src/JwtAuthForWebAPI/ILogger.cs
new file mode 100644
index 0000000..17d0fbe
--- /dev/null
+++ b/src/JwtAuthForWebAPI/ILogger.cs
@@ -0,0 +1,35 @@
+
+
+using System;
+using System.Diagnostics;
+
+namespace JwtAuthForWebAPI
+{
+    public interface ILogger
+    {
+        void DebugFormat(string message, params object[] paramList);
+
+        void WarnFormat(string message, Exception ex);
+
+        void ErrorFormat(string message, Exception ex);
+    }
+
+    public class DefaultLogger : ILogger
+    {
+        public void DebugFormat(string message, params object[] paramList)
+        {
+            Trace.TraceInformation(message,paramList);
+        }
+
+        public void WarnFormat(string message, Exception ex)
+        {
+            Trace.TraceWarning(message, ex.Message);
+        }
+
+        public void ErrorFormat(string message, Exception ex)
+        {
+            Trace.TraceError(message, ex.Message);
+        }
+    }
+}
+
diff --git a/src/JwtAuthForWebAPI/JwtAuthForWebAPI.csproj b/src/JwtAuthForWebAPI/JwtAuthForWebAPI.csproj
index e507e60..1152f5e 100644
--- a/src/JwtAuthForWebAPI/JwtAuthForWebAPI.csproj
+++ b/src/JwtAuthForWebAPI/JwtAuthForWebAPI.csproj
@@ -30,9 +30,6 @@
     <WarningLevel>4</WarningLevel>
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="log4net">
-      <HintPath>..\..\lib\log4net.2.0.2\lib\net40-full\log4net.dll</HintPath>
-    </Reference>
     <Reference Include="System" />
     <Reference Include="System.Configuration" />
     <Reference Include="System.Core" />
@@ -53,6 +50,7 @@
     <Compile Include="ConfigurationReader.cs" />
     <Compile Include="IJwtSecurityToken.cs" />
     <Compile Include="IJwtSecurityTokenHandler.cs" />
+    <Compile Include="ILogger.cs" />
     <Compile Include="IPrincipalTransformer.cs" />
     <Compile Include="JwtAuthenticationMessageHandler.cs" />
     <Compile Include="JwtAuthForWebAPIConfigurationSection.cs" />
diff --git a/src/JwtAuthForWebAPI/JwtAuthenticationMessageHandler.cs b/src/JwtAuthForWebAPI/JwtAuthenticationMessageHandler.cs
index 69f1bdd..a44e3a6 100644
--- a/src/JwtAuthForWebAPI/JwtAuthenticationMessageHandler.cs
+++ b/src/JwtAuthForWebAPI/JwtAuthenticationMessageHandler.cs
@@ -10,7 +10,6 @@
 using System.Threading;
 using System.Threading.Tasks;
 using System.Web;
-using log4net;
 
 namespace JwtAuthForWebAPI
 {
@@ -21,13 +20,18 @@ namespace JwtAuthForWebAPI
     /// </summary>
     public class JwtAuthenticationMessageHandler : DelegatingHandler
     {
-        private readonly ILog _logger = LogManager.GetLogger("JwtAuthForWebAPI");
+        private readonly ILogger _logger = new DefaultLogger();
 
         /// <summary>
         ///     String representation of the Bearer scheme, used for JWTs.
         /// </summary>
         public const string BearerScheme = "Bearer";
 
+        public JwtAuthenticationMessageHandler(ILogger logger) : base()
+        {
+            _logger = logger;
+        }
+
         public JwtAuthenticationMessageHandler()
         {
             AllowedAudience = "http://www.example.com";
@@ -130,7 +134,7 @@ protected override Task<HttpResponseMessage> SendAsync(
 
             if (string.IsNullOrEmpty(tokenString))
             {
-                _logger.Debug("Token not found in authorization header or request cookie");
+                _logger.DebugFormat("Token not found in authorization header or request cookie");
                 return BaseSendAsync(request, cancellationToken);
             }