diff --git a/3rdParty/xcc/Library/XCC Library.vcxproj b/3rdParty/xcc/Library/XCC Library.vcxproj
index c9f3083..e2a7421 100644
--- a/3rdParty/xcc/Library/XCC Library.vcxproj	
+++ b/3rdParty/xcc/Library/XCC Library.vcxproj	
@@ -285,6 +285,7 @@
       <PrecompiledHeader>Use</PrecompiledHeader>
       <ForcedIncludeFiles>stdafx.h</ForcedIncludeFiles>
       <LanguageStandard>stdcpplatest</LanguageStandard>
+      <MultiProcessorCompilation>true</MultiProcessorCompilation>
     </ClCompile>
     <ResourceCompile>
       <PreprocessorDefinitions>NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
diff --git a/MissionEditor/MissionEditor.vcxproj b/MissionEditor/MissionEditor.vcxproj
index 2b26a3b..40fa24c 100644
--- a/MissionEditor/MissionEditor.vcxproj
+++ b/MissionEditor/MissionEditor.vcxproj
@@ -421,6 +421,7 @@
     <ClCompile>
       <PreprocessorDefinitions>NOMINMAX;RA2_MODE;YR_MODE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <AdditionalIncludeDirectories>..\MissionEditorPackLib;..\3rdParty\CncVxlRender\inc</AdditionalIncludeDirectories>
+      <MultiProcessorCompilation>true</MultiProcessorCompilation>
     </ClCompile>
     <ResourceCompile>
       <PreprocessorDefinitions>RA2_MODE;YR_MODE;%(PreprocessorDefinitions)</PreprocessorDefinitions>