1 files changed, 7 insertions, 0 deletions
diff --git a/Source/WarpXPML.H b/Source/WarpXPML.H
index 0cf367284..7a86bf0da 100644
--- a/Source/WarpXPML.H
+++ b/Source/WarpXPML.H
@@ -62,6 +62,13 @@ namespace amrex {
         virtual void destroy (SigmaBox* fab) const final {
             delete fab;
         }
+#ifdef AMREX_USE_GPU
+        virtual SigmaBox* createHostAlias (SigmaBox const& src) const final
+        {
+            return const_cast<SigmaBox*>(&src);
+        }
+        virtual void destroyHostAlias (SigmaBox* fab) const final {}
+#endif
         virtual FabFactory<SigmaBox>* clone () const {
             return new FabFactory<SigmaBox>(*this);
         }