diff --git a/Makefile b/Makefile
index b112901..8a3a365 100644
--- a/Makefile
+++ b/Makefile
@@ -49,7 +49,7 @@ $(FISH_CONFIG):
 	echo "set fisher_home $(FISHER_HOME)" | sed "s|/$$||;s|$$HOME|~|" > $@.fisher
 	echo "set fisher_config $(FISHER_CONFIG)" | sed "s|$$HOME|~|" >> $@.fisher
 	echo "source \$$fisher_home/config.fish" >> $@.fisher
-	awk 'FNR==NR{ print; a[$$0]; next } !($$0 in a) || /^$$/' $@.fisher $@ > $@.tmp
+	awk 'FNR==NR{ print; a[$$0]; next } !($$0 in a) || /^$$/' $@ $@.fisher > $@.tmp
 	mv $@.tmp $@ && rm $@.fisher
 
 $(FISHER_CACHE):