diff --git a/util/startfluxbox.in b/util/startfluxbox.in
index c88674cf..64c48e3e 100755
--- a/util/startfluxbox.in
+++ b/util/startfluxbox.in
@@ -33,6 +33,8 @@ else
     fi
     if [ ! -r "$startup" ]; then
         ( cat << EOF
+#!/bin/sh
+#
 # fluxbox startup-script:
 #
 # Lines starting with a '#' are ignored.