diff --git a/crates/core/src/host/wasm_common.rs b/crates/core/src/host/wasm_common.rs
index 718779aca5..a364fa1f7b 100644
--- a/crates/core/src/host/wasm_common.rs
+++ b/crates/core/src/host/wasm_common.rs
@@ -1,4 +1,3 @@
-pub mod abi;
 pub mod instrumentation;
 pub mod module_host_actor;
 
diff --git a/crates/core/src/host/wasmer/wasmer_module.rs b/crates/core/src/host/wasmer/wasmer_module.rs
index d73033b0c8..abd089ed3e 100644
--- a/crates/core/src/host/wasmer/wasmer_module.rs
+++ b/crates/core/src/host/wasmer/wasmer_module.rs
@@ -209,7 +209,7 @@ impl module_host_actor::WasmInstancePre for WasmerModule {
             .into());
         }
 
-        env.as_mut(&mut store).mem = Some(mem);
+        env.as_mut(&mut store).instantiate(mem);
 
         // Note: this budget is just for initializers
         let budget = EnergyQuanta::DEFAULT_BUDGET.as_points();