diff --git a/sysmoOCTSIM/usb_start.c b/sysmoOCTSIM/usb_start.c
index 83fac81..c6d9fe9 100644
--- a/sysmoOCTSIM/usb_start.c
+++ b/sysmoOCTSIM/usb_start.c
@@ -89,4 +89,5 @@
 {
 
 	cdc_device_acm_init();
+	ccid_df_init();
 }