diff --git a/src/main/org/apache/tools/ant/types/defaults.properties b/src/main/org/apache/tools/ant/types/defaults.properties
index 8b46ab853..4181aef7a 100644
--- a/src/main/org/apache/tools/ant/types/defaults.properties
+++ b/src/main/org/apache/tools/ant/types/defaults.properties
@@ -35,5 +35,6 @@ propertyset=org.apache.tools.ant.types.PropertySet
 assertions=org.apache.tools.ant.types.Assertions
 concatfilter=org.apache.tools.ant.filters.ConcatFilter
 issigned=org.apache.tools.ant.taskdefs.condition.IsSigned
+isfileselected=org.apache.tools.ant.taskdefs.condition.IsFileSelected
 ispingable=org.apache.tools.ant.taskdefs.optional.condition.IsPingable
 mavenrepository=org.apache.tools.ant.taskdefs.repository.MavenRepository