diff --git a/test_regress/t/t_hier_block_trace_saif.out b/test_regress/t/t_hier_block_trace_saif.out
index 06636a434..ec0d3c36d 100644
--- a/test_regress/t/t_hier_block_trace_saif.out
+++ b/test_regress/t/t_hier_block_trace_saif.out
@@ -1,10 +1,9 @@
 (SAIFILE
-(SAIFVERSION "2.0")
 (DIRECTION "backward")
 (DESIGN "t")
 (DIVIDER / )
-(TIMESCALE 1 ps)
-(DURATION 169)
+(TIMESCALE 1ps)
+(DURATION 170)
 (INSTANCE top
   (NET
     (clk (T0 90) (T1 80) (TX 0) (TC 33))
diff --git a/test_regress/t/t_interface_ref_trace_saif.out b/test_regress/t/t_interface_ref_trace_saif.out
index 1620d7709..63665a158 100644
--- a/test_regress/t/t_interface_ref_trace_saif.out
+++ b/test_regress/t/t_interface_ref_trace_saif.out
@@ -3,7 +3,7 @@
 (DIRECTION "backward")
 (DESIGN "t")
 (DIVIDER / )
-(TIMESCALE 1 ps)
+(TIMESCALE 1ps)
 (DURATION 210)
 (INSTANCE top
   (NET
diff --git a/test_regress/t/t_trace_saif.out b/test_regress/t/t_trace_saif.out
index e8221ff5c..08c9bf38c 100644
--- a/test_regress/t/t_trace_saif.out
+++ b/test_regress/t/t_trace_saif.out
@@ -3,8 +3,8 @@
 (DIRECTION "backward")
 (DESIGN "t")
 (DIVIDER / )
-(TIMESCALE 1 ps)
-(DURATION 999)
+(TIMESCALE 1ps)
+(DURATION 1000)
 (INSTANCE top
   (NET
     (clk (T0 505) (T1 495) (TX 0) (TC 199))