diff --git a/Source/Plugins/3DFloorMode/ThreeDFloorModeMono.csproj b/Source/Plugins/3DFloorMode/ThreeDFloorModeMono.csproj
index cba09efe107329371eef0300f249054c4682a927..6e9fb0986c23521dfe322f37b9e92cb78de3f019 100644
--- a/Source/Plugins/3DFloorMode/ThreeDFloorModeMono.csproj
+++ b/Source/Plugins/3DFloorMode/ThreeDFloorModeMono.csproj
@@ -74,7 +74,7 @@
   <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|x64'">
     <DebugSymbols>true</DebugSymbols>
     <OutputPath>..\..\..\Build\Plugins\</OutputPath>
-    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <DefineConstants>TRACE;DEBUG;NO_SCINTILLA;NO_FORMS_DESIGN;NO_WIN32;NO_UPDATER;MONO_WINFORMS</DefineConstants>
     <DebugType>full</DebugType>
     <PlatformTarget>x64</PlatformTarget>
     <ErrorReport>prompt</ErrorReport>