diff --git a/packages/reffuse/src/Reffuse.ts b/packages/reffuse/src/Reffuse.ts
index 1185e55..131c563 100644
--- a/packages/reffuse/src/Reffuse.ts
+++ b/packages/reffuse/src/Reffuse.ts
@@ -14,7 +14,7 @@ export class Reffuse<
     readonly Provider: ReffuseReactContext.Provider<RuntimeR, OwnContextR, ParentContextR>
 
     constructor(
-        readonly runtime: Runtime.Runtime<RuntimeR>,
+        private readonly runtime: Runtime.Runtime<RuntimeR>,
         parent?: Reffuse<RuntimeR, ParentContextR, unknown, unknown>,
     ) {
         this.Provider = parent