diff --git a/classes/phing/tasks/defaults.properties b/classes/phing/tasks/defaults.properties
index 4f0ae668b9..c10dc62f5c 100644
--- a/classes/phing/tasks/defaults.properties
+++ b/classes/phing/tasks/defaults.properties
@@ -130,4 +130,5 @@ s3put=phing.tasks.ext.Service.Amazon.S3.S3PutTask
 zendguardencode=phing.tasks.ext.zendguard.ZendGuardEncodeTask
 zendguardlicense=phing.tasks.ext.zendguard.ZendGuardLicenseTask
 docblox=phing.tasks.ext.docblox.DocBloxTask
-rST=phing.tasks.ext.rSTTask
\ No newline at end of file
+rST=phing.tasks.ext.rSTTask
+apigen=phing.tasks.ext.apigen.ApiGenTask