diff --git a/Makefile b/Makefile
index 386c2a6..e17d316 100644
--- a/Makefile
+++ b/Makefile
@@ -88,5 +88,5 @@ clean:
 	rm -fr gotty builds js/dist bindata/static js/node_modules
 
 addcontributors:
-	gh issue list -s all -L 1000 --json author -t "$$(echo '{{ range . }}{{ .author.login }}\n{{ end }}')" | sort | uniq | xargs -Ifoo all-contributors add foo bug --commitTemplate '<%= (newContributor ? "Add" : "Update") %> @<%= username %> as a contributor'
-	gh pr list -s all -L 1000 --json author -t "$$(echo '{{ range . }}{{ .author.login }}\n{{ end }}')" | sort | uniq | xargs -Ifoo all-contributors add foo code --commitTemplate '<%= (newContributor ? "Add" : "Update") %> @<%= username %> as a contributor'
\ No newline at end of file
+	-gh issue list -s all -L 1000 --json author -t "$$(/bin/echo -e '{{ range . }}{{ .author.login }}\n{{ end }}')" | sort | uniq | xargs -Ifoo -t all-contributors add foo bug --commitTemplate '<%= (newContributor ? "Add" : "Update") %> @<%= username %> as a contributor'
+	-gh pr list -s all -L 1000 --json author -t "$$(/bin/echo -e '{{ range . }}{{ .author.login }}\n{{ end }}')" | sort | uniq | xargs -Ifoo -t all-contributors add foo code --commitTemplate '<%= (newContributor ? "Add" : "Update") %> @<%= username %> as a contributor'