diff --git a/Project.njsproj b/Project.njsproj
index 826e92943..79e2bba93 100644
--- a/Project.njsproj
+++ b/Project.njsproj
@@ -51,6 +51,7 @@
     <Compile Include="Session.js">
       <SubType>Code</SubType>
     </Compile>
+    <Compile Include="SystemEventHandler.js" />
     <Compile Include="TradingBot.js">
       <SubType>Code</SubType>
     </Compile>