diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3a2cee8a..9725f1a4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,12 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 ## [Unreleased]
 
+## [1.2.1 - 2023-11-08]
+
+### Fixed
+
+- Fix bug in requestToExApp function introduced in previous release.
+
 ## [1.2.0 - 2023-11-08]
 
 ### Changed
diff --git a/appinfo/info.xml b/appinfo/info.xml
index c02428ba..262dad74 100644
--- a/appinfo/info.xml
+++ b/appinfo/info.xml
@@ -40,7 +40,7 @@ to join us in shaping a more versatile, stable, and secure app landscape.
 *Your insights, suggestions, and contributions are invaluable to us.*
 
 	]]></description>
-	<version>1.2.0</version>
+	<version>1.2.1</version>
 	<licence>agpl</licence>
 	<author mail="andrey18106x@gmail.com" homepage="https://github.com/andrey18106">Andrey Borysenko</author>
 	<author mail="bigcat88@icloud.com" homepage="https://github.com/bigcat88">Alexander Piskun</author>
diff --git a/lib/Service/AppAPIService.php b/lib/Service/AppAPIService.php
index b2266e60..40359883 100644
--- a/lib/Service/AppAPIService.php
+++ b/lib/Service/AppAPIService.php
@@ -618,7 +618,7 @@ public function requestToExApp(
 				$exApp->getHost(),
 				$exApp->getPort()) . $route;
 
-			if (is_array($options['headers'])) {
+			if (isset($options['headers']) && is_array($options['headers'])) {
 				$options['headers'] = [...$options['headers'], ...$this->buildAppAPIAuthHeaders($request, $userId, $exApp)];
 			} else {
 				$options['headers'] = $this->buildAppAPIAuthHeaders($request, $userId, $exApp);