diff --git a/.project b/.project
index ecb64bd..e65c65b 100644
--- a/.project
+++ b/.project
@@ -14,6 +14,5 @@
 	<natures>
 		<nature>de.walware.statet.base.StatetNature</nature>
 		<nature>de.walware.statet.r.RNature</nature>
-		<nature>de.walware.statet.r.RPkgNature</nature>
 	</natures>
 </projectDescription>
diff --git a/NAMESPACE b/NAMESPACE
index db2a505..8fb07aa 100644
--- a/NAMESPACE
+++ b/NAMESPACE
@@ -3,5 +3,6 @@ export(callCarrMadan)
 export(dampedcfcallCarrMadan)
 export(putEpps)
 export(putHeston)
+export(putHestonSaddle)
 export(putcallparity)
 export(zerobond)