diff --git a/entrypoint.sh b/entrypoint.sh
index 20dddc1062c97a627c2567f702780d405d770a62..d0263cf346bc950b7e09a98665ac8e4b1b06717f 100755
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -1,8 +1,6 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 
 EXEC_BIN_PATH=${PGGAT_BIN_PATH:=/usr/bin/pggat}
 
-pggat() {
-    exec $EXEC_BIN_PATH run --adapter="caddyfile" --config="/presets/${PGGAT_RUN_MODE:-default}.Caddyfile"
-}
+$EXEC_BIN_PATH run --adapter="caddyfile" --config="/presets/${PGGAT_RUN_MODE:=default}.Caddyfile"