diff --git a/audio_mixer b/audio_mixer
index bff1c30..ed83e4a 100755
--- a/audio_mixer
+++ b/audio_mixer
@@ -1,4 +1,4 @@
-#/usr/bin/env bash
+#!/usr/bin/env bash
 # docstring=simple mixer gui app, for the desktop
 set -E -o pipefail
 shopt -s failglob