diff --git a/src/gc/GCObjectStore.cpp b/src/gc/GCObjectStore.cpp
index 33d2d240..a3070afb 100644
--- a/src/gc/GCObjectStore.cpp
+++ b/src/gc/GCObjectStore.cpp
@@ -870,7 +870,7 @@ namespace xo {
 
             //obj<AAllocator, DX1Collector> gc_gco(gc);
 
-            void * to_dest = iface->shallow_move(from_src, x1gc->ref<ACollector>());
+            void * to_dest = iface->gco_shallow_move(from_src, x1gc->ref<AGCObjectVisitor>());
 
             log && log(xtag("from_src", from_src), xtag("to_dest", to_dest));
             log && log(xtag("tseq", info.tseq()),
diff --git a/src/gc/SetupGc.cpp b/src/gc/SetupGc.cpp
index f99ea4e6..fa0ea721 100644
--- a/src/gc/SetupGc.cpp
+++ b/src/gc/SetupGc.cpp
@@ -24,9 +24,12 @@ namespace xo {
 
             FacetRegistry::register_impl<AAllocator, DX1Collector>();
             FacetRegistry::register_impl<ACollector, DX1Collector>();
+            FacetRegistry::register_impl<AGCObjectVisitor, DX1Collector>();
 
             log && log(xtag("DX1Collector.tseq", typeseq::id<DX1Collector>()));
+
             log && log(xtag("ACollector.tseq",  typeseq::id<ACollector>()));
+            log && log(xtag("AGCObjectVisitor.tseq",  typeseq::id<AGCObjectVisitor>()));
 
             return true;
         }