diff --git a/src/main/org/apache/tools/ant/taskdefs/defaults.properties b/src/main/org/apache/tools/ant/taskdefs/defaults.properties
index b9e33aea2..936c578a6 100644
--- a/src/main/org/apache/tools/ant/taskdefs/defaults.properties
+++ b/src/main/org/apache/tools/ant/taskdefs/defaults.properties
@@ -76,6 +76,7 @@ csc=org.apache.tools.ant.taskdefs.optional.dotnet.CSharp
 ilasm=org.apache.tools.ant.taskdefs.optional.dotnet.Ilasm
 stylebook=org.apache.tools.ant.taskdefs.optional.StyleBook
 test=org.apache.tools.ant.taskdefs.optional.Test
+pvcs=org.apache.tools.ant.taskdefs.optional.Pvcs
 p4change=org.apache.tools.ant.taskdefs.optional.perforce.P4Change
 p4label=org.apache.tools.ant.taskdefs.optional.perforce.P4Label
 p4have=org.apache.tools.ant.taskdefs.optional.perforce.P4Have