diff --git a/ext/dtls/gstdtlscertificate.c b/ext/dtls/gstdtlscertificate.c
index e37494f0d7..95fbb83ab6 100644
--- a/ext/dtls/gstdtlscertificate.c
+++ b/ext/dtls/gstdtlscertificate.c
@@ -38,6 +38,13 @@
 # define DEPRECATED_IN_MAC_OS_X_VERSION_10_7_AND_LATER
 #endif
 
+#ifdef G_OS_WIN32
+#include <windows.h>
+#ifdef X509_NAME
+#undef X509_NAME
+#endif
+#endif
+
 #include <openssl/ssl.h>
 
 GST_DEBUG_CATEGORY_STATIC (gst_dtls_certificate_debug);