diff --git a/board/synopsys/axs101/axs101.c b/board/synopsys/axs101/axs101.c
index d4280f7..aa446b9 100644
--- a/board/synopsys/axs101/axs101.c
+++ b/board/synopsys/axs101/axs101.c
@@ -30,7 +30,7 @@
 	host->dev_index = 0;
 	host->bus_hz = 50000000;
 
-	add_dwmci(host, host->bus_hz, 400000);
+	add_dwmci(host, host->bus_hz / 2, 400000);
 
 	return 0;
 }