diff --git a/src/main.c b/src/main.c
index a6bd2c3..0d5e6d5 100644
--- a/src/main.c
+++ b/src/main.c
@@ -52,7 +52,7 @@
 /* Digital Data */
 #if 0
 #define VREG_VOLTAGE VREG_VOLTAGE_DEFAULT
-#define CLK_SYS_HZ (250 * MHZ)
+#define CLK_SYS_HZ (252 * MHZ)
 #define BANDWIDTH 1280000
 #define DECIMATION_BITS 6
 #define LPF_ORDER 4