diff --git a/dist/bin/tissue-entrypoint.sh b/dist/bin/tissue-entrypoint.sh
index 49280f5..d4689db 100755
--- a/dist/bin/tissue-entrypoint.sh
+++ b/dist/bin/tissue-entrypoint.sh
@@ -3,6 +3,7 @@ set -e
 
 if [[ "$APP_DEBUG" == "true" ]]; then
   export PHP_INI_SCAN_DIR=":/usr/local/etc/php/php.d"
+  export PHP_XDEBUG_REMOTE_HOST=$(cat /etc/hosts | awk 'END{print $1}' | sed -r -e 's/[0-9]+$/1/g')
 fi
 
 exec docker-php-entrypoint "$@"
diff --git a/dist/php.d/99-xdebug.ini b/dist/php.d/99-xdebug.ini
index 007daa1..f2a7c9d 100644
--- a/dist/php.d/99-xdebug.ini
+++ b/dist/php.d/99-xdebug.ini
@@ -1,4 +1,4 @@
 ; Dockerでのデバッグ用設定
 zend_extension=xdebug.so
 xdebug.remote_enable=true
-xdebug.remote_host=host.docker.internal
\ No newline at end of file
+xdebug.remote_host=${PHP_XDEBUG_REMOTE_HOST}
\ No newline at end of file