diff --git a/src/lol-core.vcxproj b/src/lol-core.vcxproj
index 2c9bd97d..d9917574 100644
--- a/src/lol-core.vcxproj
+++ b/src/lol-core.vcxproj
@@ -76,6 +76,7 @@
     </ClCompile>
   </ItemDefinitionGroup>
   <ItemGroup>
+    <ClCompile Include="3rdparty\imgui\imgui.cpp" />
     <ClCompile Include="3rdparty\imgui\imgui_demo.cpp" />
     <ClCompile Include="3rdparty\imgui\imgui_draw.cpp" />
     <ClCompile Include="3rdparty\imgui\imgui_widgets.cpp" />