diff --git a/init.c b/init.c
index 61b3d4b..820c30c 100644
--- a/init.c
+++ b/init.c
@@ -846,14 +846,14 @@
 		goto err;
 
 	if (td->o.write_lat_log) {
-		setup_log(&td->lat_log, td->o.log_avg_msec);
-		setup_log(&td->slat_log, td->o.log_avg_msec);
-		setup_log(&td->clat_log, td->o.log_avg_msec);
+		setup_log(&td->lat_log, td->o.log_avg_msec, IO_LOG_TYPE_LAT);
+		setup_log(&td->slat_log, td->o.log_avg_msec, IO_LOG_TYPE_SLAT);
+		setup_log(&td->clat_log, td->o.log_avg_msec, IO_LOG_TYPE_CLAT);
 	}
 	if (td->o.write_bw_log)
-		setup_log(&td->bw_log, td->o.log_avg_msec);
+		setup_log(&td->bw_log, td->o.log_avg_msec, IO_LOG_TYPE_BW);
 	if (td->o.write_iops_log)
-		setup_log(&td->iops_log, td->o.log_avg_msec);
+		setup_log(&td->iops_log, td->o.log_avg_msec, IO_LOG_TYPE_IOPS);
 
 	if (!td->o.name)
 		td->o.name = strdup(jobname);