diff --git a/src/Container/Container.php b/src/Container/Container.php
index 9ba7287..03016a3 100644
--- a/src/Container/Container.php
+++ b/src/Container/Container.php
@@ -18,7 +18,7 @@ public function __construct()
     public function addTmpFile(TmpFileInterface $tmpFile): void
     {
         if ($this->hasTmpFile($tmpFile)) {
-            throw new \InvalidArgumentException(sprintf('Temp file "%s" has been already added.', $tmpFile->getFilename()));
+            throw new \InvalidArgumentException(\sprintf('Temp file "%s" has been already added.', $tmpFile->getFilename()));
         }
 
         $this->tmpFiles->attach($tmpFile);
@@ -32,7 +32,7 @@ public function hasTmpFile(TmpFileInterface $tmpFile): bool
     public function removeTmpFile(TmpFileInterface $tmpFile): void
     {
         if (!$this->hasTmpFile($tmpFile)) {
-            throw new \InvalidArgumentException(sprintf('Temp file "%s" hasn\'t been added yet.', $tmpFile->getFilename()));
+            throw new \InvalidArgumentException(\sprintf('Temp file "%s" hasn\'t been added yet.', $tmpFile->getFilename()));
         }
 
         $this->tmpFiles->detach($tmpFile);
diff --git a/src/TmpFileManager.php b/src/TmpFileManager.php
index 6ea77df..dc5a069 100644
--- a/src/TmpFileManager.php
+++ b/src/TmpFileManager.php
@@ -61,7 +61,7 @@ public function load(TmpFileInterface ...$tmpFiles): void
 
         foreach ($tmpFiles as $tmpFile) {
             if (!$this->filesystem->existsTmpFile($tmpFile)) {
-                throw new \InvalidArgumentException(sprintf('Temp file "%s" doesn\'t exist.', $tmpFile->getFilename()));
+                throw new \InvalidArgumentException(\sprintf('Temp file "%s" doesn\'t exist.', $tmpFile->getFilename()));
             }
 
             $this->container->addTmpFile($tmpFile);
@@ -85,11 +85,11 @@ public function isolate(callable $callback): void
     public function remove(TmpFileInterface $tmpFile): void
     {
         if (!$this->filesystem->existsTmpFile($tmpFile)) {
-            throw new \InvalidArgumentException(sprintf('Temp file "%s" has been already removed.', $tmpFile->getFilename()));
+            throw new \InvalidArgumentException(\sprintf('Temp file "%s" has been already removed.', $tmpFile->getFilename()));
         }
 
         if (!$this->container->hasTmpFile($tmpFile)) {
-            throw new \InvalidArgumentException(sprintf('Temp file "%s" wasn\'t create through temp file manager.', $tmpFile->getFilename()));
+            throw new \InvalidArgumentException(\sprintf('Temp file "%s" wasn\'t create through temp file manager.', $tmpFile->getFilename()));
         }
 
         $this->eventDispatcher->dispatch(new TmpFilePreRemove($tmpFile));