diff --git a/NAMESPACE b/NAMESPACE
index f43358e6568fb6cf4e6abfb78e2418945104d99e..5b64173b2639444da2353afaceacca14d58be625 100644
--- a/NAMESPACE
+++ b/NAMESPACE
@@ -19,3 +19,4 @@ export(create_LDprofile)
 importFrom(stats,cor)
 importFrom(stats,na.omit)
 importFrom(stats,pbeta)
+importFrom(stats,sd)