diff --git a/ghc/rts/RtsFlags.c b/ghc/rts/RtsFlags.c
index 1615934b1973a54d32e09a1c5db80d4615125f3b..99406009704d5af1f3134fbb12566bfede64a399 100644
--- a/ghc/rts/RtsFlags.c
+++ b/ghc/rts/RtsFlags.c
@@ -1,5 +1,5 @@
 /* -----------------------------------------------------------------------------
- * $Id: RtsFlags.c,v 1.15 1999/08/25 16:11:50 simonmar Exp $
+ * $Id: RtsFlags.c,v 1.16 1999/08/26 08:31:41 panne Exp $
  *
  * (c) The AQUA Project, Glasgow University, 1994-1997
  * (c) The GHC Team, 1998-1999
@@ -14,6 +14,10 @@
 #include "BlockAlloc.h"
 #include "ProfRts.h"
 
+#if defined(PROFILING) 
+#include "Itimer.h"
+#endif
+
 #if HAVE_STDLIB_H
 #include <stdlib.h>
 #endif