diff --git a/config/app.php b/config/app.php
index 054ff42d..b7456d8d 100644
--- a/config/app.php
+++ b/config/app.php
@@ -78,7 +78,7 @@
 	|
 	*/
 
-	'key' => env('APP_KEY') ?: 'YourSecretKey!!!',
+	'key' => env('APP_KEY', 'YourSecretKey!!!'),
 
 	'cipher' => MCRYPT_RIJNDAEL_128,
 
diff --git a/config/cache.php b/config/cache.php
index 9006504e..9ddd5f33 100644
--- a/config/cache.php
+++ b/config/cache.php
@@ -13,7 +13,7 @@
 	|
 	*/
 
-	'default' => env('CACHE_DRIVER') ?: 'file',
+	'default' => env('CACHE_DRIVER', 'file'),
 
 	/*
 	|--------------------------------------------------------------------------
diff --git a/config/database.php b/config/database.php
index 759e6f89..15d6bbbe 100644
--- a/config/database.php
+++ b/config/database.php
@@ -54,10 +54,10 @@
 
 		'mysql' => [
 			'driver'    => 'mysql',
-			'host'      => env('DB_HOST') ?: 'localhost',
-			'database'  => env('DB_DATABASE') ?: 'forge',
-			'username'  => env('DB_USERNAME') ?: 'forge',
-			'password'  => env('DB_PASSWORD') ?: '',
+			'host'      => env('DB_HOST', 'localhost'),
+			'database'  => env('DB_DATABASE', 'forge'),
+			'username'  => env('DB_USERNAME', 'forge'),
+			'password'  => env('DB_PASSWORD', ''),
 			'charset'   => 'utf8',
 			'collation' => 'utf8_unicode_ci',
 			'prefix'    => '',
@@ -65,10 +65,10 @@
 
 		'pgsql' => [
 			'driver'   => 'pgsql',
-			'host'      => env('DB_HOST') ?: 'localhost',
-			'database'  => env('DB_DATABASE') ?: 'forge',
-			'username'  => env('DB_USERNAME') ?: 'forge',
-			'password'  => env('DB_PASSWORD') ?: '',
+			'host'     => env('DB_HOST', 'localhost'),
+			'database' => env('DB_DATABASE', 'forge'),
+			'username' => env('DB_USERNAME', 'forge'),
+			'password' => env('DB_PASSWORD', ''),
 			'charset'  => 'utf8',
 			'prefix'   => '',
 			'schema'   => 'public',
@@ -76,10 +76,10 @@
 
 		'sqlsrv' => [
 			'driver'   => 'sqlsrv',
-			'host'      => env('DB_HOST') ?: 'localhost',
-			'database'  => env('DB_DATABASE') ?: 'forge',
-			'username'  => env('DB_USERNAME') ?: 'forge',
-			'password'  => env('DB_PASSWORD') ?: '',
+			'host'     => env('DB_HOST', 'localhost'),
+			'database' => env('DB_DATABASE', 'forge'),
+			'username' => env('DB_USERNAME', 'forge'),
+			'password' => env('DB_PASSWORD', ''),
 			'prefix'   => '',
 		],
 
diff --git a/config/queue.php b/config/queue.php
index 6f52bef8..5f1f1c09 100755
--- a/config/queue.php
+++ b/config/queue.php
@@ -16,7 +16,7 @@
 	|
 	*/
 
-	'default' => env('QUEUE_DRIVER') ?: 'sync',
+	'default' => env('QUEUE_DRIVER', 'sync'),
 
 	/*
 	|--------------------------------------------------------------------------
diff --git a/config/session.php b/config/session.php
index 38e01099..47470fab 100644
--- a/config/session.php
+++ b/config/session.php
@@ -16,7 +16,7 @@
 	|
 	*/
 
-	'driver' => env('SESSION_DRIVER') ?: 'file',
+	'driver' => env('SESSION_DRIVER', 'file'),
 
 	/*
 	|--------------------------------------------------------------------------