diff --git a/include/libssh/priv.h b/include/libssh/priv.h
index a3342816..29795c35 100644
--- a/include/libssh/priv.h
+++ b/include/libssh/priv.h
@@ -34,6 +34,7 @@
 
 #ifdef _MSC_VER
 #undef snprintf
+#undef vsnprintf
 #undef strtok_r
 
 /** Imitate define of inttypes.h */