diff --git a/legacy/evil/configure.ac b/legacy/evil/configure.ac
index f31f994518..51659290bc 100644
--- a/legacy/evil/configure.ac
+++ b/legacy/evil/configure.ac
@@ -95,7 +95,7 @@ case "$host_os" in
   *)
     have_wince="no"
     win32_cxxflags="-fno-rtti -fno-exceptions"
-    win32_cppflags="${win32_cppflags} -D_WIN32_WINNT=0x0500 -DSECURITY_WIN32"
+    win32_cppflags="${win32_cppflags} -D_WIN32_WINNT=0x0501 -DSECURITY_WIN32"
     ;;
 esac
 AC_SUBST(win32_cppflags)
diff --git a/legacy/evil/win32/vs8/libevil.vcproj b/legacy/evil/win32/vs8/libevil.vcproj
index 3a4aafb6e4..37924ad6ef 100644
--- a/legacy/evil/win32/vs8/libevil.vcproj
+++ b/legacy/evil/win32/vs8/libevil.vcproj
@@ -41,7 +41,7 @@
 				Name="VCCLCompilerTool"
 				Optimization="0"
 				AdditionalIncludeDirectories="$(INCLUDE)"
-				PreprocessorDefinitions="HAVE_ERRNO_H;SECURITY_WIN32;WIN32;_DEBUG;_WINDOWS;_USRDLL;EFL_EVIL_BUILD;DLL_EXPORT;snprintf=_snprintf_c;__CRT_INLINE=__inline;inline=__inline;__UNUSED__=;_CRT_SECURE_NO_WARNINGS"
+				PreprocessorDefinitions="HAVE_ERRNO_H;_WIN32_WINNT=0x0501;SECURITY_WIN32;WIN32;_DEBUG;_WINDOWS;_USRDLL;EFL_EVIL_BUILD;DLL_EXPORT;snprintf=_snprintf_c;__CRT_INLINE=__inline;inline=__inline;__UNUSED__=;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
 				RuntimeLibrary="3"
@@ -123,7 +123,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				AdditionalIncludeDirectories="$(INCLUDE)"
-				PreprocessorDefinitions="HAVE_ERRNO_H;SECURITY_WIN32;WIN32;NDEBUG;_WINDOWS;_USRDLL;EFL_EVIL_BUILD;DLL_EXPORT;snprintf=_snprintf_c;__CRT_INLINE=__inline;inline=__inline;__UNUSED__=;_CRT_SECURE_NO_WARNINGS"
+				PreprocessorDefinitions="HAVE_ERRNO_H;_WIN32_WINNT=0x0501;SECURITY_WIN32;WIN32;NDEBUG;_WINDOWS;_USRDLL;EFL_EVIL_BUILD;DLL_EXPORT;snprintf=_snprintf_c;__CRT_INLINE=__inline;inline=__inline;__UNUSED__=;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
diff --git a/legacy/evil/win32/vs9/libevil.vcproj b/legacy/evil/win32/vs9/libevil.vcproj
index 65fd1a95e4..0ff2f98de9 100644
--- a/legacy/evil/win32/vs9/libevil.vcproj
+++ b/legacy/evil/win32/vs9/libevil.vcproj
@@ -42,7 +42,7 @@
 				Name="VCCLCompilerTool"
 				Optimization="0"
 				AdditionalIncludeDirectories="$(INCLUDE)"
-				PreprocessorDefinitions="HAVE_ERRNO_H;SECURITY_WIN32;WIN32;_DEBUG;_WINDOWS;_USRDLL;EFL_EVIL_BUILD;DLL_EXPORT;snprintf=_snprintf_c;__CRT_INLINE=__inline;inline=__inline;__UNUSED__=;_CRT_SECURE_NO_WARNINGS"
+				PreprocessorDefinitions="HAVE_ERRNO_H;_WIN32_WINNT=0x0501;SECURITY_WIN32;WIN32;_DEBUG;_WINDOWS;_USRDLL;EFL_EVIL_BUILD;DLL_EXPORT;snprintf=_snprintf_c;__CRT_INLINE=__inline;inline=__inline;__UNUSED__=;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
 				RuntimeLibrary="3"
@@ -123,7 +123,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				AdditionalIncludeDirectories="$(INCLUDE)"
-				PreprocessorDefinitions="HAVE_ERRNO_H;SECURITY_WIN32;WIN32;NDEBUG;_WINDOWS;_USRDLL;EFL_EVIL_BUILD;DLL_EXPORT;snprintf=_snprintf_c;__CRT_INLINE=__inline;inline=__inline;__UNUSED__=;_CRT_SECURE_NO_WARNINGS"
+				PreprocessorDefinitions="HAVE_ERRNO_H;_WIN32_WINNT=0x0501;SECURITY_WIN32;WIN32;NDEBUG;_WINDOWS;_USRDLL;EFL_EVIL_BUILD;DLL_EXPORT;snprintf=_snprintf_c;__CRT_INLINE=__inline;inline=__inline;__UNUSED__=;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"