diff --git a/avrdude/Makefile.am b/avrdude/Makefile.am
index 62c470d8..85f2f8f6 100644
--- a/avrdude/Makefile.am
+++ b/avrdude/Makefile.am
@@ -61,7 +61,7 @@ man_MANS = avrdude.1
 sysconf_DATA = avrdude.conf
 
 avrdude.conf: avrdude.conf.sample
-	cp $< $@
+	cp avrdude.conf.sample $@
 
 distclean-local:
 	rm -rf avrdude.conf