diff --git a/src/Knp/Snappy/AbstractGenerator.php b/src/Knp/Snappy/AbstractGenerator.php
index 529bc7c..0357a62 100644
--- a/src/Knp/Snappy/AbstractGenerator.php
+++ b/src/Knp/Snappy/AbstractGenerator.php
@@ -317,8 +317,12 @@ public function getCommand($input, $output, array $options = [])
      */
     public function removeTemporaryFiles()
     {
-        foreach ($this->temporaryFiles as $file) {
-            $this->unlink($file);
+        try {
+            foreach ($this->temporaryFiles as $file) {
+                $this->unlink($file);
+            }
+        } finally {
+            $this->temporaryFiles = [];
         }
     }
 
diff --git a/tests/Knp/Snappy/AbstractGeneratorTest.php b/tests/Knp/Snappy/AbstractGeneratorTest.php
index fe5e07c..e5728c2 100644
--- a/tests/Knp/Snappy/AbstractGeneratorTest.php
+++ b/tests/Knp/Snappy/AbstractGeneratorTest.php
@@ -861,6 +861,8 @@ public function testCleanupEmptyTemporaryFiles(): void
 
         $remove = new ReflectionMethod($generator, 'removeTemporaryFiles');
         $remove->invoke($generator);
+
+        $this->assertCount(0, $files->getValue($generator));
     }
 
     public function testleanupTemporaryFiles(): void
@@ -887,6 +889,8 @@ public function testleanupTemporaryFiles(): void
 
         $remove = new ReflectionMethod($generator, 'removeTemporaryFiles');
         $remove->invoke($generator);
+
+        $this->assertCount(0, $files->getValue($generator));
     }
 
     public function testResetOptions(): void