diff --git a/src/Base/MultiFab.cpp b/src/Base/MultiFab.cpp
index cb0344b8..356757e5 100644
--- a/src/Base/MultiFab.cpp
+++ b/src/Base/MultiFab.cpp
@@ -333,8 +333,8 @@ void init_MultiFab(py::module &m)
         .def_static("divide", py::overload_cast< MultiFab &, MultiFab const &, int, int, int, int >(&MultiFab::Divide))
         .def_static("divide", py::overload_cast< MultiFab &, MultiFab const &, int, int, int, IntVect const & >(&MultiFab::Divide))
 
-        .def_static("copy", py::overload_cast< MultiFab &, MultiFab const &, int, int, int, int >(&MultiFab::Copy))
-        .def_static("copy", py::overload_cast< MultiFab &, MultiFab const &, int, int, int, IntVect const & >(&MultiFab::Copy))
+        .def_static("copy", py::overload_cast< MultiFab &, MultiFab const &, int, int, int, int >(&MultiFab::Copy), py::arg("dst"), py::arg("src"), py::arg("srccomp"), py::arg("dstcomp"), py::arg("numcomp"), py::arg("nghost"))
+        .def_static("copy", py::overload_cast< MultiFab &, MultiFab const &, int, int, int, IntVect const & >(&MultiFab::Copy), py::arg("dst"), py::arg("src"), py::arg("srccomp"), py::arg("dstcomp"), py::arg("numcomp"), py::arg("nghost"))
 
         .def_static("swap", py::overload_cast< MultiFab &, MultiFab &, int, int, int, int >(&MultiFab::Swap))
         .def_static("swap", py::overload_cast< MultiFab &, MultiFab &, int, int, int, IntVect const & >(&MultiFab::Swap))