diff --git a/include/configs/cpuat91.h b/include/configs/cpuat91.h
index 6742dbc..67732de 100644
--- a/include/configs/cpuat91.h
+++ b/include/configs/cpuat91.h
@@ -160,6 +160,7 @@
 
 #if defined(CONFIG_CMD_USB)
 #define CONFIG_USB_ATMEL
+#define CONFIG_USB_ATMEL_CLK_SEL_PLLB
 #define CONFIG_USB_OHCI_NEW
 #define CONFIG_USB_STORAGE
 #define CONFIG_DOS_PARTITION