diff --git a/options.c b/options.c
index 580d5aa..dacfb73 100644
--- a/options.c
+++ b/options.c
@@ -2016,7 +2016,7 @@
 		.type	= FIO_OPT_BOOL,
 		.off1	= td_var_offset(clat_percentiles),
 		.help	= "Enable the reporting of completion latency percentiles",
-		.def	= "0",
+		.def	= "1",
 	},
 	{
 		.name	= "percentile_list",