diff --git a/build/jam/OptionalPackageDependencies b/build/jam/OptionalPackageDependencies
index a3479d298c..2d114f0fcc 100644
--- a/build/jam/OptionalPackageDependencies
+++ b/build/jam/OptionalPackageDependencies
@@ -17,7 +17,7 @@ OptionalPackageDependencies Python : Bzip ;
 OptionalPackageDependencies Mercurial : Python ;
 OptionalPackageDependencies Git : Expat Curl OpenSSL ;
 OptionalPackageDependencies Curl : OpenSSL ;
-OptionalPackageDependencies MandatoryPackages : Sed ;
+OptionalPackageDependencies MandatoryPackages : Sed Tar ;
 OptionalPackageDependencies NetFS : UserlandFS ;
 OptionalPackageDependencies Vim : LibIconv ;
 OptionalPackageDependencies XZ-Utils : Tar ;