diff --git a/ssl/ffi.rs b/ssl/ffi.rs
index fd6514ae..4d949738 100644
--- a/ssl/ffi.rs
+++ b/ssl/ffi.rs
@@ -99,6 +99,9 @@ pub static XN_FLAG_MULTILINE: c_ulong = 0x2a40006;
 
 #[link(name="ssl")]
 #[link(name="crypto")]
+#[link(name="gdi32")]
+#[link(name="wsock32")]
+#[link(name="m")]
 extern "C" {
     pub fn CRYPTO_num_locks() -> c_int;
     pub fn CRYPTO_set_locking_callback(func: extern "C" fn(mode: c_int,