diff --git a/libavutil/cpu.c b/libavutil/cpu.c
index 03e2720..874258f 100644
--- a/libavutil/cpu.c
+++ b/libavutil/cpu.c
@@ -43,8 +43,10 @@
 #include <sys/param.h>
 #endif
 #include <sys/types.h>
+#ifndef __OPENORBIS__
 #include <sys/sysctl.h>
 #endif
+#endif
 #if HAVE_UNISTD_H
 #include <unistd.h>
 #endif