diff --git a/src/win/msvc/vc15/global.props b/src/win/msvc/vc15/global.props
index 92ab33c..1c090df 100644
--- a/src/win/msvc/vc15/global.props
+++ b/src/win/msvc/vc15/global.props
@@ -7,7 +7,7 @@
   </PropertyGroup>
   <ItemDefinitionGroup>
     <ClCompile>
-      <PreprocessorDefinitions>_USE_MATH_DEFINES;_CRT_NONSTDC_NO_DEPRECATE;_WINSOCK_DEPRECATED_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;USE_DYNAREC;USE_OPENAL;USE_SDL</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_USE_MATH_DEFINES;_CRT_NONSTDC_NO_DEPRECATE;_WINSOCK_DEPRECATED_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_CRT_STDIO_ISO_WIDE_SPECIFIERS;USE_DYNAREC;USE_OPENAL;USE_SDL;USE_FLUIDSYNTH</PreprocessorDefinitions>
     </ClCompile>
   </ItemDefinitionGroup>
   <ItemGroup />