diff --git a/lib/3rdparty/libxml2/config.h b/lib/3rdparty/libxml2/config.h
index 647abdd0b5b..351dc6ef303 100644
--- a/lib/3rdparty/libxml2/config.h
+++ b/lib/3rdparty/libxml2/config.h
@@ -301,3 +301,7 @@
 #if !defined(__MINGW32__) || defined(__NO_ISOCEXT)
 #define vsnprintf _vsnprintf
 #endif
+
+#if defined(__MINGW32__)
+#include <windows.h>
+#endif
diff --git a/lib/3rdparty/libxml2/nanoftp.c b/lib/3rdparty/libxml2/nanoftp.c
index 07455433591..a54b85b3a54 100644
--- a/lib/3rdparty/libxml2/nanoftp.c
+++ b/lib/3rdparty/libxml2/nanoftp.c
@@ -78,7 +78,7 @@
 
 
 #if defined(__MINGW32__) || defined(_WIN32_WCE)
-//#define _WINSOCKAPI_
+#define _WINSOCKAPI_
 #include <wsockcompat.h>
 #include <winsock2.h>
 #undef XML_SOCKLEN_T
diff --git a/lib/3rdparty/libxml2/nanohttp.c b/lib/3rdparty/libxml2/nanohttp.c
index c1989cc3727..80e79ed892d 100644
--- a/lib/3rdparty/libxml2/nanohttp.c
+++ b/lib/3rdparty/libxml2/nanohttp.c
@@ -79,7 +79,7 @@
 #endif
 
 #if defined(__MINGW32__) || defined(_WIN32_WCE)
-//#define _WINSOCKAPI_
+#define _WINSOCKAPI_
 #include <wsockcompat.h>
 #include <winsock2.h>
 #undef XML_SOCKLEN_T