diff --git a/.config/01redis.config.php b/.config/01redis.config.php
index 422e4a5..1a43c95 100644
--- a/.config/01redis.config.php
+++ b/.config/01redis.config.php
@@ -10,4 +10,6 @@ if (getenv('REDIS_HOST')) {
 			'redis_db' => (getenv('REDIS_DB') ? getenv('REDIS_DB') : 0),
 		],
 	];
+} else {
+	return [];
 }
diff --git a/2019.06/apache/config/01redis.config.php b/2019.06/apache/config/01redis.config.php
index 422e4a5..1a43c95 100644
--- a/2019.06/apache/config/01redis.config.php
+++ b/2019.06/apache/config/01redis.config.php
@@ -10,4 +10,6 @@ if (getenv('REDIS_HOST')) {
 			'redis_db' => (getenv('REDIS_DB') ? getenv('REDIS_DB') : 0),
 		],
 	];
+} else {
+	return [];
 }
diff --git a/2019.06/fpm-alpine/config/01redis.config.php b/2019.06/fpm-alpine/config/01redis.config.php
index 422e4a5..1a43c95 100644
--- a/2019.06/fpm-alpine/config/01redis.config.php
+++ b/2019.06/fpm-alpine/config/01redis.config.php
@@ -10,4 +10,6 @@ if (getenv('REDIS_HOST')) {
 			'redis_db' => (getenv('REDIS_DB') ? getenv('REDIS_DB') : 0),
 		],
 	];
+} else {
+	return [];
 }
diff --git a/2019.06/fpm/config/01redis.config.php b/2019.06/fpm/config/01redis.config.php
index 422e4a5..1a43c95 100644
--- a/2019.06/fpm/config/01redis.config.php
+++ b/2019.06/fpm/config/01redis.config.php
@@ -10,4 +10,6 @@ if (getenv('REDIS_HOST')) {
 			'redis_db' => (getenv('REDIS_DB') ? getenv('REDIS_DB') : 0),
 		],
 	];
+} else {
+	return [];
 }
diff --git a/2019.09-dev/apache/config/01redis.config.php b/2019.09-dev/apache/config/01redis.config.php
index 422e4a5..1a43c95 100644
--- a/2019.09-dev/apache/config/01redis.config.php
+++ b/2019.09-dev/apache/config/01redis.config.php
@@ -10,4 +10,6 @@ if (getenv('REDIS_HOST')) {
 			'redis_db' => (getenv('REDIS_DB') ? getenv('REDIS_DB') : 0),
 		],
 	];
+} else {
+	return [];
 }
diff --git a/2019.09-dev/fpm-alpine/config/01redis.config.php b/2019.09-dev/fpm-alpine/config/01redis.config.php
index 422e4a5..1a43c95 100644
--- a/2019.09-dev/fpm-alpine/config/01redis.config.php
+++ b/2019.09-dev/fpm-alpine/config/01redis.config.php
@@ -10,4 +10,6 @@ if (getenv('REDIS_HOST')) {
 			'redis_db' => (getenv('REDIS_DB') ? getenv('REDIS_DB') : 0),
 		],
 	];
+} else {
+	return [];
 }
diff --git a/2019.09-dev/fpm/config/01redis.config.php b/2019.09-dev/fpm/config/01redis.config.php
index 422e4a5..1a43c95 100644
--- a/2019.09-dev/fpm/config/01redis.config.php
+++ b/2019.09-dev/fpm/config/01redis.config.php
@@ -10,4 +10,6 @@ if (getenv('REDIS_HOST')) {
 			'redis_db' => (getenv('REDIS_DB') ? getenv('REDIS_DB') : 0),
 		],
 	];
+} else {
+	return [];
 }