diff --git a/src/pocketmine/CrashDump.php b/src/pocketmine/CrashDump.php
index 6cefcb97d9..764207ec2b 100644
--- a/src/pocketmine/CrashDump.php
+++ b/src/pocketmine/CrashDump.php
@@ -64,6 +64,8 @@ class CrashDump{
 		$this->extraData();
 
 		$this->encodeData();
+
+		fclose($this->fp);
 	}
 
 	public function getPath() : string{