diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 3d2978c..d2884a4 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -924,7 +924,7 @@
 			chain = false;
 		}
 
-		if (!trbs_left)
+		if (!trbs_left--)
 			last = true;
 
 		if (last)