diff --git a/src/main/org/apache/tools/ant/taskdefs/defaults.properties b/src/main/org/apache/tools/ant/taskdefs/defaults.properties
index ba214133a..49e48b914 100644
--- a/src/main/org/apache/tools/ant/taskdefs/defaults.properties
+++ b/src/main/org/apache/tools/ant/taskdefs/defaults.properties
@@ -59,6 +59,7 @@ presetdef=org.apache.tools.ant.taskdefs.PreSetDef
 property=org.apache.tools.ant.taskdefs.Property
 record=org.apache.tools.ant.taskdefs.Recorder
 replace=org.apache.tools.ant.taskdefs.Replace
+retry=org.apache.tools.ant.taskdefs.Retry
 rmic=org.apache.tools.ant.taskdefs.Rmic
 sequential=org.apache.tools.ant.taskdefs.Sequential
 signjar=org.apache.tools.ant.taskdefs.SignJar