diff --git a/completion/available/flutter.completion.bash b/completion/available/flutter.completion.bash
index 62befc82..7dde5a07 100644
--- a/completion/available/flutter.completion.bash
+++ b/completion/available/flutter.completion.bash
@@ -1,5 +1,5 @@
-#!/usr/bin/bash
+# shellcheck shell=bash
 
 if _command_exists flutter; then
-  eval "$(flutter bash-completion)"
+	eval "$(flutter bash-completion)"
 fi