diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4ad62563..163809d5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,7 @@
 - Chg #130, #133: Changed `Message::parse()` to conform to PSR-3 (@technicated, @vjik)
 - Enh #135: Add validation for `$traceLevel` in `SystemContextProvider` to ensure values are greater than or equal to zero (@rekmixa)
 - Enh #137: Explicitly import classes, functions, and constants in "use" section (@mspirkov)
+- Enh #138: Moved the final log flush from `register_shutdown_function()` to the `Logger::__destruct()` method (@olegbaturin)
 
 ## 2.2.0 December 13, 2025
 
diff --git a/src/Logger.php b/src/Logger.php
index e3decbe6..54b619f0 100644
--- a/src/Logger.php
+++ b/src/Logger.php
@@ -19,7 +19,6 @@
 use function in_array;
 use function is_string;
 use function microtime;
-use function register_shutdown_function;
 use function sprintf;
 
 /**
@@ -87,14 +86,11 @@ public function __construct(
     ) {
         $this->setTargets($targets);
         $this->contextProvider = $contextProvider ?? new SystemContextProvider();
+    }
 
-        register_shutdown_function(function () {
-            // make regular flush before other shutdown functions, which allows session data collection and so on
-            $this->flush();
-            // make sure log entries written by shutdown functions are also flushed
-            // ensure "flush()" is called last when there are multiple shutdown functions
-            register_shutdown_function([$this, 'flush'], true);
-        });
+    public function __destruct()
+    {
+        $this->flush(true);
     }
 
     /**
diff --git a/tests/LoggerTest.php b/tests/LoggerTest.php
index 297c1164..c9f541e5 100644
--- a/tests/LoggerTest.php
+++ b/tests/LoggerTest.php
@@ -349,11 +349,11 @@ public function testDispatchWithSuccessTargetCollect(): void
             ->getMockForAbstractClass();
 
         $target
-            ->expects($this->once())
+            ->expects($this->exactly(2))
             ->method('collect')
-            ->with(
-                $this->equalTo([$message]),
-                $this->equalTo(true),
+            ->withConsecutive(
+                [$this->equalTo([$message]), $this->equalTo(true)],
+                [$this->equalTo([]), $this->equalTo(true)],
             );
 
         $logger = new Logger(['fakeTarget' => $target]);
@@ -383,7 +383,7 @@ public function testDispatchWithFakeTarget2ThrowExceptionWhenCollect(): void
             ->getMockForAbstractClass();
 
         $target1
-            ->expects($this->exactly(2))
+            ->expects($this->exactly(3))
             ->method('collect')
             ->withConsecutive(
                 [$this->equalTo([$message]), $this->equalTo(true)],