diff --git a/interfaces/interfaces.vcxproj b/interfaces/interfaces.vcxproj
index e0f0f105..3992373a 100644
--- a/interfaces/interfaces.vcxproj
+++ b/interfaces/interfaces.vcxproj
@@ -51,7 +51,7 @@
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+      <PreprocessorDefinitions>_ITERATOR_DEBUG_LEVEL=0;WIN32;_WIN32;COMPILER_MSVC;COMPILER_MSVC32;_DEBUG;DEBUG;_LIB;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_DEPRECATE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
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diff --git a/lib/public/interfaces.lib b/lib/public/interfaces.lib
index bcc89e0f..2238f720 100644
Binary files a/lib/public/interfaces.lib and b/lib/public/interfaces.lib differ
diff --git a/lib/public/tier1.lib b/lib/public/tier1.lib
index 1bdcf949..73c3ebde 100644
Binary files a/lib/public/tier1.lib and b/lib/public/tier1.lib differ
diff --git a/tier1/tier1.vcxproj b/tier1/tier1.vcxproj
index a1687450..e89c5b66 100644
--- a/tier1/tier1.vcxproj
+++ b/tier1/tier1.vcxproj
@@ -57,7 +57,7 @@
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+      <PreprocessorDefinitions>_ITERATOR_DEBUG_LEVEL=0;WIN32;_WIN32;VEL': value '0' doesn't match value '2' in core_metamod.obj;COMPILER_MSVC;COMPILER_MSVC32;_DEBUG;DEBUG;_LIB;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_DEPRECATE;TIER1_STATIC_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
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