diff --git a/can-calc-bit-timing.c b/can-calc-bit-timing.c
index 5191aaa..a058a6d 100644
--- a/can-calc-bit-timing.c
+++ b/can-calc-bit-timing.c
@@ -329,7 +329,7 @@ static struct calc_bittiming_const can_calc_consts[] = {
 		},
 		.ref_clk = {
 			{ .clk =  8000000, },
-			{ .clk = 16000000, },
+			{ .clk = 10000000, },
 		},
 		.printf_btr = printf_btr_mcp251x,
 	}, {