diff --git a/include/machine/endian.h b/include/machine/endian.h
index 302d29e..613c026 100644
--- a/include/machine/endian.h
+++ b/include/machine/endian.h
@@ -22,6 +22,14 @@
 #elif defined(__sun)
 #include <arpa/nameser_compat.h>
 
+#elif defined(_AIX)
+#include <sys/types.h>
+#include <arpa/nameser_compat.h>
+
+#elif defined(__sgi)
+#include <standards.h>
+#include <sys/endian.h>
+
 #else
 #include_next <machine/endian.h>