diff --git a/src/metro/injection-code.ts b/src/metro/injection-code.ts
index f64ef08..e050c7f 100644
--- a/src/metro/injection-code.ts
+++ b/src/metro/injection-code.ts
@@ -32,5 +32,7 @@ export function getNativeInjectionCode(
     .map((value) => `StyleCollection.inject(${JSON.stringify(value)});`)
     .join("\n");
 
-  return Buffer.from(`${importStatements}\n${importPath}\n${contents}`);
+  return Buffer.from(
+    `${importStatements}\n${importPath}\n${contents};export {};`,
+  );
 }
diff --git a/src/runtime/native/index.ts b/src/runtime/native/index.ts
index cc76427..56e3149 100644
--- a/src/runtime/native/index.ts
+++ b/src/runtime/native/index.ts
@@ -1,5 +1,4 @@
-// Import this file for Metro to override
-import "./metro";
+export * from "./metro";
 
 export * from "./api";
 export type * from "../runtime.types";
diff --git a/src/runtime/native/reactivity.ts b/src/runtime/native/reactivity.ts
index 54f0cf3..9ed16fb 100644
--- a/src/runtime/native/reactivity.ts
+++ b/src/runtime/native/reactivity.ts
@@ -29,7 +29,7 @@ export const observableBatch: {
 
 export function observable<Value, Arg = Value>(
   init: Value | Read<Value, Arg>,
-  equality = Object.is,
+  equality: (value1: Value, value2: Value) => boolean = Object.is,
 ) {
   let value: Value;
   let isStatic = typeof init !== "function";
@@ -72,7 +72,7 @@ export function observable<Value, Arg = Value>(
 
   function set(arg: Arg) {
     if (isStatic) {
-      if (equality(value, arg)) {
+      if (equality(value, arg as unknown as Value)) {
         return;
       }
       value = arg as unknown as Value;