diff --git a/ext/standard/microtime.c b/ext/standard/microtime.c
index 311c473e97a..58cc6744e19 100644
--- a/ext/standard/microtime.c
+++ b/ext/standard/microtime.c
@@ -135,6 +135,7 @@ PHP_FUNCTION(getrusage)
 	PHP_RUSAGE_PARA(ru_nsignals);
 	PHP_RUSAGE_PARA(ru_nvcsw);
 	PHP_RUSAGE_PARA(ru_nivcsw);
+	PHP_RUSAGE_PARA(ru_nswap);
 #endif /*_OSD_POSIX*/
 	PHP_RUSAGE_PARA(ru_utime.tv_usec);
 	PHP_RUSAGE_PARA(ru_utime.tv_sec);