diff --git a/components/tinyusb_dfu/additions/include_private/descriptors_control.h b/components/tinyusb_dfu/additions/include_private/descriptors_control.h
index abdc794..278d036 100644
--- a/components/tinyusb_dfu/additions/include_private/descriptors_control.h
+++ b/components/tinyusb_dfu/additions/include_private/descriptors_control.h
@@ -58,7 +58,7 @@ enum {
 
 enum {
     TUSB_DESC_TOTAL_LEN = TUD_CONFIG_DESC_LEN + CFG_TUD_CDC * TUD_CDC_DESC_LEN + CFG_TUD_MSC * TUD_MSC_DESC_LEN +
-                       CFG_TUD_HID * TUD_HID_DESC_LEN + TUD_DFU_RT_DESC_LEN
+                       CFG_TUD_HID * TUD_HID_DESC_LEN + CFG_TUD_DFU_RUNTIME * TUD_DFU_RT_DESC_LEN
 };
 
 bool tusb_desc_set;