diff --git a/Maintenance/makefile b/Maintenance/makefile
index 73e1e1822b6df8ee463cb3cfa9372493c218fbf2..87c0c2533c4659de68cf02125fd877e3bdc010a6 100644
--- a/Maintenance/makefile
+++ b/Maintenance/makefile
@@ -10,6 +10,8 @@
 
 LUFA_ROOT = ../
 
+all:
+
 upgrade-doxygen:
 	@echo Upgrading Doxygen.conf files...
 	@for doxygen_conf in `find $(LUFA_ROOT) -name Doxygen.conf`; do \