diff --git a/Code/JavaWrappers/MolOps.i b/Code/JavaWrappers/MolOps.i
index b32089fe3..1106a2a0c 100644
--- a/Code/JavaWrappers/MolOps.i
+++ b/Code/JavaWrappers/MolOps.i
@@ -36,6 +36,8 @@
 %}
 
 
+%newobject RDKit::MolOps::RemoveHs;
+%newobject RDKit::MolOps::AddHs;
 %include <GraphMol/MolOps.h>
 %ignore RDKit::MolOps::sanitizeMol(RWMol &,unsigned int &,unsigned int &);