diff --git a/src/bin/pgbench/pgbench.c b/src/bin/pgbench/pgbench.c
index dc84b7b9b7..c68dfa1806 100644
--- a/src/bin/pgbench/pgbench.c
+++ b/src/bin/pgbench/pgbench.c
@@ -3799,7 +3799,7 @@ doLog(TState *thread, CState *st,
 		 * e.g. --rate=0.1).
 		 */
 
-		while (agg->start_time + agg_interval <= now)
+		while (agg->start_time + agg_interval * 1000000 <= now)
 		{
 			/* print aggregated report to logfile */
 			fprintf(logfile, INT64_FORMAT " " INT64_FORMAT " %.0f %.0f %.0f %.0f",
@@ -3822,7 +3822,7 @@ doLog(TState *thread, CState *st,
 			fputc('\n', logfile);
 
 			/* reset data and move to next interval */
-			initStats(agg, agg->start_time + agg_interval);
+			initStats(agg, agg->start_time + agg_interval * 1000000);
 		}
 
 		/* accumulate the current transaction */