diff --git a/libs/udns/udns_resolver.c b/libs/udns/udns_resolver.c
index aaaa0c02a8..5468a3e76f 100644
--- a/libs/udns/udns_resolver.c
+++ b/libs/udns/udns_resolver.c
@@ -23,6 +23,8 @@
 
 #ifdef WIN32
 #ifdef _MSC_VER
+#undef inline
+#define inline __inline
 #pragma warning(disable:4133)
 #if (_MSC_VER >= 1400) // VC8+
 #ifndef _CRT_SECURE_NO_DEPRECATE