diff --git a/goenv b/goenv
index 12c1c2e..c337f69 100755
--- a/goenv
+++ b/goenv
@@ -1,3 +1,5 @@
+#  -*- mode: unix-shell-script; -*-
+
 _goenv_help() {
     print "Go workspace manager\n"
     print "Usage:\n"