diff --git a/Rainmeter.props b/Rainmeter.props
index 7a48772e..0cdb5a0e 100644
--- a/Rainmeter.props
+++ b/Rainmeter.props
@@ -28,7 +28,7 @@
   <ItemDefinitionGroup>
     <ClCompile>
       <!-- Set the version macros to 0x0601 (Win7) to avoid using Win8 specific features in the Win8 SDK. -->
-      <PreprocessorDefinitions>WIN32;_WINDOWS;WINVER=0x0601;_WIN32_WINNT=0x0601;_WIN32_IE=0x0601;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_WINDOWS;WINVER=0x0601;_WIN32_WINNT=0x0601;_WIN32_IE=0x0601;PSAPI_VERSION=1;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <WarningLevel>Level3</WarningLevel>
     </ClCompile>
     <Link>