diff --git a/src/host_mli.c b/src/host_mli.c
index fb4c8c0..b92cac3 100644
--- a/src/host_mli.c
+++ b/src/host_mli.c
@@ -1,5 +1,4 @@
-
-#define _BSD_SOURCE
+#define _DEFAULT_SOURCE
 
 #ifdef _WIN32
 #include <Windows.h>
@@ -1553,4 +1552,4 @@ void host_mli_tail() {
   engine.psr &= ~I;
   engine.psr |= (saved_p & I);
   host_gc_free();
-}
\ No newline at end of file
+}