diff --git a/src/Adapter/Posix.php b/src/Adapter/Posix.php
index d73dcb5..c432754 100644
--- a/src/Adapter/Posix.php
+++ b/src/Adapter/Posix.php
@@ -111,7 +111,7 @@ public function getWidth()
          * Try to read env variable
          */
         if (($result = getenv('COLUMNS')) !== false) {
-            return $width = (int)$result;
+            return $width = (int) $result;
         }
 
         /**
@@ -119,7 +119,7 @@ public function getWidth()
          */
         $result = exec('tput cols', $output, $return);
         if (!$return && is_numeric($result)) {
-            return $width = (int)$result;
+            return $width = (int) $result;
         }
 
         return $width = parent::getWidth();
@@ -145,7 +145,7 @@ public function getHeight()
         // Try to read console size from "tput" command
         $result = exec('tput lines', $output, $return);
         if (!$return && is_numeric($result)) {
-            return $height = (int)$result;
+            return $height = (int) $result;
         }
 
         return $height = parent::getHeight();
diff --git a/src/Adapter/Windows.php b/src/Adapter/Windows.php
index d8991ca..e35984c 100644
--- a/src/Adapter/Windows.php
+++ b/src/Adapter/Windows.php
@@ -85,7 +85,7 @@ public function getHeight()
         }
 
         if (count($this->probeResult) && (int) $this->probeResult[1]) {
-            $height = (int)$this->probeResult[1];
+            $height = (int) $this->probeResult[1];
         } else {
             $height = parent::getheight();
         }
diff --git a/src/Prompt/Number.php b/src/Prompt/Number.php
index 0377c1a..75800cd 100644
--- a/src/Prompt/Number.php
+++ b/src/Prompt/Number.php
@@ -110,7 +110,7 @@ public function show()
          * Cast proper type
          */
         if ($number !== null) {
-            $number = $this->allowFloat ? (double)$number : (int)$number;
+            $number = $this->allowFloat ? (double) $number : (int) $number;
         }
 
         return $this->lastResponse = $number;