diff --git a/ConfigureChecks.cmake b/ConfigureChecks.cmake
index d3dec1ab..03b55282 100644
--- a/ConfigureChecks.cmake
+++ b/ConfigureChecks.cmake
@@ -39,6 +39,11 @@ if (WIN32)
     set(HAVE_GETHOSTBYNAME TRUE)
   endif (HAVE_WSPIAPI_H OR HAVE_WS2TCPIP_H)
 
+  check_function_exists(vsnprintf HAVE_VSNPRINTF)
+  if(NOT HAVE_VSNPRINTF)
+    check_function_exists(_vsnprintf HAVE__VSNPRINTF)
+  endif(NOT HAVE_VSNPRINTF)
+  
   set(HAVE_SELECT TRUE)
 endif (WIN32)
 
diff --git a/config.h.cmake b/config.h.cmake
index 8ef29ff2..6aaab2f2 100644
--- a/config.h.cmake
+++ b/config.h.cmake
@@ -37,6 +37,12 @@
 
 /*************************** FUNCTIONS ***************************/
 
+/* Define to 1 if you have the `vsnprintf' function. */
+#cmakedefine HAVE_VSNPRINTF
+
+/* Define to 1 if you have the `_vsnprintf' function. */
+#cmakedefine HAVE__VSNPRINTF
+
 /* Define to 1 if you have the `cfmakeraw' function. */
 #cmakedefine HAVE_CFMAKERAW 1
 
diff --git a/include/libssh/priv.h b/include/libssh/priv.h
index ed607da7..81bb7510 100644
--- a/include/libssh/priv.h
+++ b/include/libssh/priv.h
@@ -34,6 +34,15 @@
 
 #ifdef _MSC_VER
 #define snprintf _snprintf
+
+#ifndef HAVE_VSNPRINTF
+#ifdef HAVE__VSNPRINTF
+#define vsnprintf _vsnprintf
+#else
+#error "neither vsnprintf or vnsprintf available, this may fail"
+#endif /* HAVE__VSNPRINTF */
+#endif /* HAVE_VSNPRINTF */
+
 /** Imitate define of inttypes.h */
 #define PRIdS "Id"
 #define strcasecmp _stricmp