diff --git a/Makefile b/Makefile
index 81b83a2..6bb4820 100644
--- a/Makefile
+++ b/Makefile
@@ -39,7 +39,8 @@ $(outdir)/%.html: %.html $(header) $(footer) | $(outdir)
 
 # requires git-weblog from mikegerwitz's git-supp package
 blog:
-	@[ "$$( which git-weblog )" ] || ( echo "Please add git-weblog to PATH" && false )
+	@[ "$$( which git-weblog )" ] \
+		|| ( echo "Please add git-weblog to PATH" >&2 && false )
 	git fetch origin refs/notes/*:refs/notes/*
 	git log --log-size --format="%H%n%B" master \
 		| grep -A1 '^log size \([5-9][0-9]\{2,\}\|[0-9]\{4,\}\)$$' \