diff --git a/w32/openssl.props b/w32/openssl.props
index 1e2040b7d6..4ba5878305 100644
--- a/w32/openssl.props
+++ b/w32/openssl.props
@@ -68,7 +68,7 @@
       <AdditionalIncludeDirectories>$(OpenSSLLibDir)\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <AdditionalIncludeDirectories Condition="'$(Platform)'=='Win32'">$(OpenSSLLibDir)\include_x86;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <AdditionalIncludeDirectories Condition="'$(Platform)'=='x64'">$(OpenSSLLibDir)\include_x64;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>OPENSSL;HAVE_OPENSSL;HAVE_OPENSSL_DTLS_SRTP;HAVE_OPENSSL_DTLS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>OPENSSL;HAVE_OPENSSL;HAVE_OPENSSL_DTLS_SRTP;HAVE_OPENSSL_DTLS;HAVE_OPENSSL_DTLSv1_2_method;%(PreprocessorDefinitions)</PreprocessorDefinitions>
     </ClCompile>
     <Link>
       <AdditionalLibraryDirectories>$(OpenSSLLibDir)\binaries\$(Platform)\$(LibraryConfiguration)\;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>