diff --git a/library/axi_ad9234/axi_ad9234.v b/library/axi_ad9234/axi_ad9234.v
index ca13a5715..202909deb 100644
--- a/library/axi_ad9234/axi_ad9234.v
+++ b/library/axi_ad9234/axi_ad9234.v
@@ -261,7 +261,7 @@ module axi_ad9234 (
     .adc_sync_status (1'd0),
     .adc_status_ovf (adc_dovf),
     .adc_status_unf (adc_dunf),
-    .adc_clk_ratio (32'd40),
+    .adc_clk_ratio (32'd4),
     .adc_start_code (),
     .adc_sync (),
     .up_status_pn_err (up_status_pn_err),