diff --git a/src/xrAICore/xrAICore.vcxproj b/src/xrAICore/xrAICore.vcxproj
index 161c619d090..067d0203d67 100644
--- a/src/xrAICore/xrAICore.vcxproj
+++ b/src/xrAICore/xrAICore.vcxproj
@@ -143,6 +143,7 @@
       <BrowseInformation />
       <WarningLevel>Level4</WarningLevel>
       <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
+      <PrecompiledHeaderFile>pch.hpp</PrecompiledHeaderFile>
     </ClCompile>
     <ResourceCompile>
       <PreprocessorDefinitions>NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
diff --git a/src/xrScriptEngine/xrScriptEngine.vcxproj b/src/xrScriptEngine/xrScriptEngine.vcxproj
index 69ad90b0c20..c03c6f24b53 100644
--- a/src/xrScriptEngine/xrScriptEngine.vcxproj
+++ b/src/xrScriptEngine/xrScriptEngine.vcxproj
@@ -145,6 +145,7 @@
       <BrowseInformation />
       <WarningLevel>Level4</WarningLevel>
       <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
+      <PrecompiledHeaderFile>pch.hpp</PrecompiledHeaderFile>
     </ClCompile>
     <ResourceCompile>
       <PreprocessorDefinitions>NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>