diff --git a/libs/win32/portaudio/portaudio.2015.vcxproj b/libs/win32/portaudio/portaudio.2015.vcxproj
index 8c33f04865..c5569daac3 100644
--- a/libs/win32/portaudio/portaudio.2015.vcxproj
+++ b/libs/win32/portaudio/portaudio.2015.vcxproj
@@ -319,7 +319,7 @@
       <Optimization>MaxSpeed</Optimization>
       <InlineFunctionExpansion>Default</InlineFunctionExpansion>
       <AdditionalIncludeDirectories>..\..\portaudio\src\common;..\..\portaudio\include;.\;..\..\portaudio\src\os\win;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WIN32;NDEBUG;_USRDLL;PA_ENABLE_DEBUG_OUTPUT;_CRT_SECURE_NO_DEPRECATE;PA_USE_DS%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_USRDLL;PA_ENABLE_DEBUG_OUTPUT;_CRT_SECURE_NO_DEPRECATE;PA_USE_DS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <StringPooling>true</StringPooling>
       <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
       <FunctionLevelLinking>true</FunctionLevelLinking>