diff --git a/apps/speed.c b/apps/speed.c
index d0f705c32..50ba3b0b8 100644
--- a/apps/speed.c
+++ b/apps/speed.c
@@ -87,7 +87,7 @@
 #elif !defined(MSDOS) && (!defined(VMS) || defined(__DECC))
 # define TIMES
 #endif
-#if !defined(_UNICOS) && !defined(__OpenBSD__)
+#if !defined(_UNICOS) && !defined(__OpenBSD__) && !defined(sgi)
 # define TIMEB
 #endif