diff --git a/src/insert.py b/src/insert.py
index 431ce4b..d0926c4 100755
--- a/src/insert.py
+++ b/src/insert.py
@@ -246,7 +246,7 @@ def main(argv = None):
                                    timestamp_to_human(data_ts),
                                    timestamp_to_human(clock_ts))
                         stream.finalize()
-                        data_ts_base = clock_ts
+                        data_ts_base = data_ts = clock_ts
                         data_ts_inc = 0
 
                     # Don't use this clock time anymore until we update it