diff --git a/openrct2.vcxproj b/openrct2.vcxproj
index 2b727d7a99..fb85134069 100644
--- a/openrct2.vcxproj
+++ b/openrct2.vcxproj
@@ -361,7 +361,7 @@
Disabled
true
1Byte
- $(OpenRCT2_DEFINES);DEBUG;_CRT_SECURE_NO_WARNINGS;_USE_MATH_DEFINES;CURL_STATICLIB;SDL_MAIN_HANDLED;_WINSOCK_DEPRECATED_NO_WARNINGS;%(PreprocessorDefinitions)
+ $(OpenRCT2_DEFINES);PLATFORM_X86;DEBUG;_CRT_SECURE_NO_WARNINGS;_USE_MATH_DEFINES;CURL_STATICLIB;SDL_MAIN_HANDLED;_WINSOCK_DEPRECATED_NO_WARNINGS;%(PreprocessorDefinitions)
MultiThreaded
true
$(IntDir)\%(RelativeDir)
@@ -388,7 +388,7 @@
4013
false
- $(OpenRCT2_DEFINES);_CRT_SECURE_NO_WARNINGS;_USE_MATH_DEFINES;CURL_STATICLIB;SDL_MAIN_HANDLED;%(PreprocessorDefinitions)
+ $(OpenRCT2_DEFINES);PLATFORM_X86;_CRT_SECURE_NO_WARNINGS;_USE_MATH_DEFINES;CURL_STATICLIB;SDL_MAIN_HANDLED;%(PreprocessorDefinitions)
$(IntDir)\%(RelativeDir)
true
Speed