diff --git a/converter/usb_usb/Makefile b/converter/usb_usb/Makefile
index 4b88b651..1d7caf0b 100644
--- a/converter/usb_usb/Makefile
+++ b/converter/usb_usb/Makefile
@@ -121,6 +121,7 @@ else
 endif
 ifdef KEYMAP
     SRC := $(KEYMAP_FILE)_$(KEYMAP).c $(SRC)
+    TARGET := $(TARGET)_$(KEYMAP)
 else
     SRC := $(KEYMAP_FILE).c $(SRC)
 endif