diff --git a/nightly/conf/nightly.conf b/nightly/conf/nightly.conf
index e5ba33bfe..4f123aa3e 100644
--- a/nightly/conf/nightly.conf
+++ b/nightly/conf/nightly.conf
@@ -56,5 +56,5 @@ ABT_KERNELS="  \
 2.6.31.14-nc   \
 2.6.30.10-nc   \
 2.6.29.6-nc    \
-2.6.27.62-nc   \
+2.6.27.52-nc   \
 "