diff --git a/Classes/Command/SequenceCommandController.php b/Classes/Command/SequenceCommandController.php
index d57b4fc..dddc981 100644
--- a/Classes/Command/SequenceCommandController.php
+++ b/Classes/Command/SequenceCommandController.php
@@ -51,7 +51,7 @@ class SequenceCommandController extends CommandController
                 ->createQuery('SELECT i.type, MAX(i.number) max_number FROM ' . Insert::class . ' i GROUP BY i.type')
                 ->getScalarResult();
             foreach ($results as $result) {
-                $cleanArray[$result['type']] = (int) $result['max_number'];
+                $cleanArray[$result['type']] = (int)$result['max_number'];
             }
         } else {
             foreach ($typesToClean as $typeToClean) {
diff --git a/Classes/Service/SequenceGenerator.php b/Classes/Service/SequenceGenerator.php
index 9a38752..2a808ce 100644
--- a/Classes/Service/SequenceGenerator.php
+++ b/Classes/Service/SequenceGenerator.php
@@ -49,7 +49,7 @@ class SequenceGenerator
         // TODO: Let increment be configurable per type
         do {
             $count++;
-        } while (! $this->validateFreeNumber($count, $type));
+        } while (!$this->validateFreeNumber($count, $type));
 
         return $count;
     }
@@ -71,7 +71,7 @@ class SequenceGenerator
         } catch (\PDOException $e) {
             return false;
         } catch (DBALException $e) {
-            if (! $e->getPrevious() instanceof \PDOException) {
+            if (!$e->getPrevious() instanceof \PDOException) {
                 $this->systemLogger->critical('Exception occured: ' . $e->getMessage());
             }
         } catch (\Exception $e) {
@@ -104,7 +104,7 @@ class SequenceGenerator
      */
     public function getLastNumberFor($type): int
     {
-        return (int) $this->entityManager->getConnection()->executeQuery(
+        return (int)$this->entityManager->getConnection()->executeQuery(
             'SELECT MAX(number) FROM '
             . $this->entityManager->getClassMetadata(Insert::class)->getTableName()
             . ' WHERE type = :type',
@@ -122,7 +122,7 @@ class SequenceGenerator
         if (\is_object($stringOrObject)) {
             $stringOrObject = TypeHandling::getTypeForValue($stringOrObject);
         }
-        if (! $stringOrObject) {
+        if (!$stringOrObject) {
             throw new Exception('No Type given');
         }
 
diff --git a/Tests/Functional/SequenceTest.php b/Tests/Functional/SequenceTest.php
index a4ec07a..7913837 100644
--- a/Tests/Functional/SequenceTest.php
+++ b/Tests/Functional/SequenceTest.php
@@ -25,7 +25,7 @@ class SequenceTest extends FunctionalTestCase
 
         $pIds = [];
         for ($i = 0; $i < 10; $i++) {
-            $pId = pcntl_fork();
+            $pId = \pcntl_fork();
             if ($pId) {
                 $pIds[] = $pId;
             } else {
@@ -39,7 +39,7 @@ class SequenceTest extends FunctionalTestCase
 
         foreach ($pIds as $pId) {
             $status = 0;
-            pcntl_waitpid($pId, $status);
+            \pcntl_waitpid($pId, $status);
         }
 
         $this->assertEquals(101, $sequenceGenerator->getLastNumberFor($sequenceGenerator));