diff --git a/lib/chkconfig.ltx b/lib/chkconfig.ltx
index 2a91d5e11f..b59998229a 100644
--- a/lib/chkconfig.ltx
+++ b/lib/chkconfig.ltx
@@ -270,6 +270,7 @@
 \TestPackage{soul}
 \TestPackage{splitidx}
 \TestPackage{subfig}
+\TestPackage{Sweave}
 \TestPackage{textcomp}
 \TestPackage{ulem}
 \TestPackage{units}