diff --git a/services/web/decaffeinate.sh b/services/web/decaffeinate.sh
index 23136ca22a..706f0d75d0 100755
--- a/services/web/decaffeinate.sh
+++ b/services/web/decaffeinate.sh
@@ -1,4 +1,4 @@
-#!/usr/local/bin/zsh
+#!/usr/bin/env zsh
 set -ex
 
 echo "----------------------------------------"