diff --git a/uts/common/dtrace/dtrace.c b/uts/common/dtrace/dtrace.c
index 421292d098db..b9c5c1ddc7d0 100644
--- a/uts/common/dtrace/dtrace.c
+++ b/uts/common/dtrace/dtrace.c
@@ -22,7 +22,7 @@
 /*
  * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
  * Copyright (c) 2013, Joyent, Inc. All rights reserved.
- * Copyright (c) 2012 by Delphix. All rights reserved.
+ * Copyright (c) 2012, 2014 by Delphix. All rights reserved.
  */
 
 /*
@@ -6682,7 +6682,8 @@ dtrace_probe(dtrace_id_t id, uintptr_t arg0, uintptr_t arg1,
 		return;
 	}
 
-	now = dtrace_gethrtime();
+	now = mstate.dtms_timestamp = dtrace_gethrtime();
+	mstate.dtms_present |= DTRACE_MSTATE_TIMESTAMP;
 	vtime = dtrace_vtime_references != 0;
 
 	if (vtime && curthread->t_dtrace_start)