diff --git a/composer.json b/composer.json
index 6aa2774a69..8ac4c37724 100644
--- a/composer.json
+++ b/composer.json
@@ -53,7 +53,8 @@
 	"autoload": {
 		"psr-4": {
 			"Friendica\\": "src/",
-			"Friendica\\Test\\": "tests/"
+			"Friendica\\Test\\": "tests/",
+			"Friendica\\Addon\\": "addon/"
 		},
 		"psr-0": {
 			"": "library/"