1 files changed, 4 insertions, 1 deletions
diff --git a/Makefile b/Makefile
index 782f5fb..4335bc9 100644
--- a/Makefile
+++ b/Makefile
@@ -368,7 +368,7 @@ ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)
 # Default target.
 all: begin directories gccversion sizebefore build sizeafter end
 
-directories: .dep obj
+directories: .dep obj obj/usbdrv
 
 .dep:
 	mkdir .dep
@@ -376,6 +376,9 @@ directories: .dep obj
 obj:
 	mkdir obj
 
+obj/usbdrv: obj
+	mkdir obj/usbdrv
+
 # Change the build target to build a HEX file or a library.
 build: elf hex eep lss sym
 #build: lib