diff --git a/src/retro/wrapper.rs b/src/retro/wrapper.rs
index 0152361..d2412d8 100644
--- a/src/retro/wrapper.rs
+++ b/src/retro/wrapper.rs
@@ -307,7 +307,10 @@ impl StaticCallbacks {
                     .collect();
                 handler.set_controller_info(controller_info)
             }
-            // TODO (experimental) EnvCmd::SetMemoryMaps => {},
+            EnvCmd::SetMemoryMaps => {
+                let map = Self::from_void::<MemoryMap>(data)?.clone();
+                handler.set_memory_maps(map)
+            },
             EnvCmd::SetGeometry => {
                 handler.set_geometry(Self::from_void::<GameGeometry>(data)?.clone())
             }