diff --git a/src/pocketmine/PocketMine.php b/src/pocketmine/PocketMine.php
index 312ec9869..cff3178f2 100644
--- a/src/pocketmine/PocketMine.php
+++ b/src/pocketmine/PocketMine.php
@@ -289,6 +289,14 @@ namespace pocketmine {
 
 		echo Terminal::$FORMAT_RESET . PHP_EOL;
 
+		if(!flock(\pocketmine\LOCK_FILE, LOCK_UN)){
+			critical_error("Failed to release the server.lock file.");
+		}
+
+		if(!fclose(\pocketmine\LOCK_FILE)){
+			critical_error("Could not close server.lock resource.");
+		}
+
 		exit($exitCode);
 	}
 
diff --git a/tests/phpstan/configs/l7-baseline.neon b/tests/phpstan/configs/l7-baseline.neon
index 07779b609..6aee260f6 100644
--- a/tests/phpstan/configs/l7-baseline.neon
+++ b/tests/phpstan/configs/l7-baseline.neon
@@ -82,7 +82,7 @@ parameters:
 
 		-
 			message: "#^Parameter \\#1 \\$fp of function flock expects resource, resource\\|false given\\.$#"
-			count: 3
+			count: 4
 			path: ../../../src/pocketmine/PocketMine.php
 
 		-
@@ -105,6 +105,11 @@ parameters:
 			count: 1
 			path: ../../../src/pocketmine/PocketMine.php
 
+		-
+			message: "#^Parameter \\#1 \\$fp of function fclose expects resource, resource\\|false given\\.$#"
+			count: 1
+			path: ../../../src/pocketmine/PocketMine.php
+
 		-
 			message: "#^Parameter \\#1 \\$buffer of method pocketmine\\\\nbt\\\\NBTStream\\:\\:readCompressed\\(\\) expects string, string\\|false given\\.$#"
 			count: 1