diff --git a/includes/ProtectedVarsAccessLogger.php b/includes/ProtectedVarsAccessLogger.php
index 744e6bcc7..dfd2604e8 100644
--- a/includes/ProtectedVarsAccessLogger.php
+++ b/includes/ProtectedVarsAccessLogger.php
@@ -3,10 +3,12 @@
 namespace MediaWiki\Extension\AbuseFilter;
 
 use ManualLogEntry;
+use MediaWiki\Deferred\DeferredUpdates;
 use MediaWiki\MediaWikiServices;
 use MediaWiki\Title\Title;
 use MediaWiki\User\ActorStore;
 use MediaWiki\User\UserIdentity;
+use Profiler;
 use Psr\Log\LoggerInterface;
 use Wikimedia\Assert\Assert;
 use Wikimedia\Rdbms\DBError;
@@ -104,13 +106,21 @@ class ProtectedVarsAccessLogger {
 		if ( !$timestamp ) {
 			$timestamp = (int)wfTimestamp();
 		}
-		$this->log(
-			$performer,
-			$target,
-			self::ACTION_VIEW_PROTECTED_VARIABLE_VALUE,
-			true,
-			$timestamp
-		);
+		// Create the log on POSTSEND, as this can be called in a context of a GET request through the
+		// QueryAbuseLog API (T379083).
+		DeferredUpdates::addCallableUpdate( function () use ( $performer, $target, $timestamp ) {
+			// We need to create a log entry and PostSend-GET expects no writes are performed, so we need to
+			// silence the warnings created by this.
+			$trxProfiler = Profiler::instance()->getTransactionProfiler();
+			$scope = $trxProfiler->silenceForScope( $trxProfiler::EXPECTATION_REPLICAS_ONLY );
+			$this->log(
+				$performer,
+				$target,
+				self::ACTION_VIEW_PROTECTED_VARIABLE_VALUE,
+				true,
+				$timestamp
+			);
+		} );
 	}
 
 	/**
diff --git a/tests/phpunit/integration/ProtectedVarsAccessLoggerTest.php b/tests/phpunit/integration/ProtectedVarsAccessLoggerTest.php
index f5de778cc..a88e8bc6e 100644
--- a/tests/phpunit/integration/ProtectedVarsAccessLoggerTest.php
+++ b/tests/phpunit/integration/ProtectedVarsAccessLoggerTest.php
@@ -4,6 +4,7 @@ namespace MediaWiki\Extension\AbuseFilter\Tests\Integration;
 
 use Generator;
 use MediaWiki\CheckUser\Logging\TemporaryAccountLogger;
+use MediaWiki\Deferred\DeferredUpdates;
 use MediaWiki\Extension\AbuseFilter\AbuseFilterServices;
 use MediaWiki\Extension\AbuseFilter\ProtectedVarsAccessLogger;
 use MediaWiki\Registration\ExtensionRegistry;
@@ -131,6 +132,7 @@ class ProtectedVarsAccessLoggerTest extends MediaWikiIntegrationTestCase {
 		AbuseFilterServices::getAbuseLoggerFactory()
 			->getProtectedVarsAccessLogger()
 			->logViewProtectedVariableValue( $performer->getUserIdentity(), '~2024-01', (int)wfTimestamp() );
+		DeferredUpdates::doUpdates();
 
 		// Assert that the action wasn't inserted into CheckUsers' temp account logging table
 		$this->assertSame(
@@ -171,6 +173,7 @@ class ProtectedVarsAccessLoggerTest extends MediaWikiIntegrationTestCase {
 		AbuseFilterServices::getAbuseLoggerFactory()
 			->getProtectedVarsAccessLogger()
 			->logViewProtectedVariableValue( $performer->getUserIdentity(), '~2024-01', (int)wfTimestamp() );
+		DeferredUpdates::doUpdates();
 
 		// Assert that the action only inserted once into CheckUsers' temp account logging table
 		$this->assertSame(