diff --git a/Asterisk.2013/Asterisk.NET/AsterNET.csproj b/Asterisk.2013/Asterisk.NET/AsterNET.csproj
index 7ad048d..1a101cb 100644
--- a/Asterisk.2013/Asterisk.NET/AsterNET.csproj
+++ b/Asterisk.2013/Asterisk.NET/AsterNET.csproj
@@ -325,7 +325,7 @@
     <Compile Include="Manager\Event\QueueEvent.cs" />
     <Compile Include="Manager\Event\ChallengeResponseFailedEvent.cs" />
     <Compile Include="Manager\Event\InvalidAccountIDEvent.cs" />
-    <Compile Include="Manager\Event\DeviceStateChangedEvent.cs" />
+    <Compile Include="Manager\Event\DeviceStateChangeEvent.cs" />
     <Compile Include="Manager\Event\ChallengeSentEvent.cs" />
     <Compile Include="Manager\Event\SuccessfulAuthEvent.cs" />
     <Compile Include="Manager\Event\QueueMemberAddedEvent.cs" />