diff --git a/Makefile b/Makefile
index 45ddf84..2894247 100644
--- a/Makefile
+++ b/Makefile
@@ -3,7 +3,7 @@
 all: flash
 
 lib:
-	$(MAKE) -C src
+	$(MAKE) -C src lib
 
 example: lib
 	$(MAKE) -C examples