diff --git a/ext/standard/microtime.c b/ext/standard/microtime.c
index 6b5c247c214..442ae3d395d 100644
--- a/ext/standard/microtime.c
+++ b/ext/standard/microtime.c
@@ -116,7 +116,7 @@ PHP_FUNCTION(getrusage)
 	array_init(return_value);
 #define PHP_RUSAGE_PARA(a) \
 		add_assoc_long(return_value, #a, usg.a)
-#ifndef _OSD_POSIX /* BS2000 has only a few fields in the rusage struct */
+#if !defined( _OSD_POSIX) && !defined(__BEOS__) /* BS2000 has only a few fields in the rusage struct */
 	PHP_RUSAGE_PARA(ru_oublock);
 	PHP_RUSAGE_PARA(ru_inblock);
 	PHP_RUSAGE_PARA(ru_msgsnd);