diff --git a/init.c b/init.c
index fcee02b..94b417e 100644
--- a/init.c
+++ b/init.c
@@ -768,6 +768,8 @@
 	}
 	if (td->o.write_bw_log)
 		setup_log(&td->bw_log);
+	if (td->o.write_iops_log)
+		setup_log(&td->iops_log);
 
 	if (!td->o.name)
 		td->o.name = strdup(jobname);