diff --git a/src/shared/atomic-bool.ts b/src/shared/atomic-bool.ts
index c2c586c..3cf5a90 100644
--- a/src/shared/atomic-bool.ts
+++ b/src/shared/atomic-bool.ts
@@ -39,7 +39,7 @@ export class AtomicBool {
     return Atomics.compareExchange(this.view, 0, expected ? 1 : 0, replacement ? 1 : 0) !== 0;
   }
 
-  [Symbol.for('moroutine.sync')](): { tag: string; buffer: SharedArrayBuffer; byteOffset: number } {
+  [Symbol.for('moroutine.shared')](): { tag: string; buffer: SharedArrayBuffer; byteOffset: number } {
     return { tag: 'AtomicBool', buffer: this.view.buffer as SharedArrayBuffer, byteOffset: this.view.byteOffset };
   }
 }
diff --git a/src/shared/atomic-int16.ts b/src/shared/atomic-int16.ts
index f9daa6a..0a1a3af 100644
--- a/src/shared/atomic-int16.ts
+++ b/src/shared/atomic-int16.ts
@@ -47,7 +47,7 @@ export class AtomicInt16 {
     return Atomics.compareExchange(this.view, 0, expected, replacement);
   }
 
-  [Symbol.for('moroutine.sync')](): { tag: string; buffer: SharedArrayBuffer; byteOffset: number } {
+  [Symbol.for('moroutine.shared')](): { tag: string; buffer: SharedArrayBuffer; byteOffset: number } {
     return { tag: 'AtomicInt16', buffer: this.view.buffer as SharedArrayBuffer, byteOffset: this.view.byteOffset };
   }
 }
diff --git a/src/shared/atomic-int32.ts b/src/shared/atomic-int32.ts
index b7ca131..adc4d03 100644
--- a/src/shared/atomic-int32.ts
+++ b/src/shared/atomic-int32.ts
@@ -47,7 +47,7 @@ export class AtomicInt32 {
     return Atomics.compareExchange(this.view, 0, expected, replacement);
   }
 
-  [Symbol.for('moroutine.sync')](): { tag: string; buffer: SharedArrayBuffer; byteOffset: number } {
+  [Symbol.for('moroutine.shared')](): { tag: string; buffer: SharedArrayBuffer; byteOffset: number } {
     return { tag: 'AtomicInt32', buffer: this.view.buffer as SharedArrayBuffer, byteOffset: this.view.byteOffset };
   }
 }
diff --git a/src/shared/atomic-int64.ts b/src/shared/atomic-int64.ts
index 1a7f5c6..b325034 100644
--- a/src/shared/atomic-int64.ts
+++ b/src/shared/atomic-int64.ts
@@ -47,7 +47,7 @@ export class AtomicInt64 {
     return Atomics.compareExchange(this.view, 0, expected, replacement);
   }
 
-  [Symbol.for('moroutine.sync')](): { tag: string; buffer: SharedArrayBuffer; byteOffset: number } {
+  [Symbol.for('moroutine.shared')](): { tag: string; buffer: SharedArrayBuffer; byteOffset: number } {
     return { tag: 'AtomicInt64', buffer: this.view.buffer as SharedArrayBuffer, byteOffset: this.view.byteOffset };
   }
 }
diff --git a/src/shared/atomic-int8.ts b/src/shared/atomic-int8.ts
index 8be016b..9cea8f8 100644
--- a/src/shared/atomic-int8.ts
+++ b/src/shared/atomic-int8.ts
@@ -47,7 +47,7 @@ export class AtomicInt8 {
     return Atomics.compareExchange(this.view, 0, expected, replacement);
   }
 
-  [Symbol.for('moroutine.sync')](): { tag: string; buffer: SharedArrayBuffer; byteOffset: number } {
+  [Symbol.for('moroutine.shared')](): { tag: string; buffer: SharedArrayBuffer; byteOffset: number } {
     return { tag: 'AtomicInt8', buffer: this.view.buffer as SharedArrayBuffer, byteOffset: this.view.byteOffset };
   }
 }
diff --git a/src/shared/atomic-uint16.ts b/src/shared/atomic-uint16.ts
index 3986261..33951f9 100644
--- a/src/shared/atomic-uint16.ts
+++ b/src/shared/atomic-uint16.ts
@@ -47,7 +47,7 @@ export class AtomicUint16 {
     return Atomics.compareExchange(this.view, 0, expected, replacement);
   }
 
-  [Symbol.for('moroutine.sync')](): { tag: string; buffer: SharedArrayBuffer; byteOffset: number } {
+  [Symbol.for('moroutine.shared')](): { tag: string; buffer: SharedArrayBuffer; byteOffset: number } {
     return { tag: 'AtomicUint16', buffer: this.view.buffer as SharedArrayBuffer, byteOffset: this.view.byteOffset };
   }
 }
diff --git a/src/shared/atomic-uint32.ts b/src/shared/atomic-uint32.ts
index 81141e7..9382fbc 100644
--- a/src/shared/atomic-uint32.ts
+++ b/src/shared/atomic-uint32.ts
@@ -47,7 +47,7 @@ export class AtomicUint32 {
     return Atomics.compareExchange(this.view, 0, expected, replacement);
   }
 
-  [Symbol.for('moroutine.sync')](): { tag: string; buffer: SharedArrayBuffer; byteOffset: number } {
+  [Symbol.for('moroutine.shared')](): { tag: string; buffer: SharedArrayBuffer; byteOffset: number } {
     return { tag: 'AtomicUint32', buffer: this.view.buffer as SharedArrayBuffer, byteOffset: this.view.byteOffset };
   }
 }
diff --git a/src/shared/atomic-uint64.ts b/src/shared/atomic-uint64.ts
index 9871850..60ce3ab 100644
--- a/src/shared/atomic-uint64.ts
+++ b/src/shared/atomic-uint64.ts
@@ -47,7 +47,7 @@ export class AtomicUint64 {
     return Atomics.compareExchange(this.view, 0, expected, replacement);
   }
 
-  [Symbol.for('moroutine.sync')](): { tag: string; buffer: SharedArrayBuffer; byteOffset: number } {
+  [Symbol.for('moroutine.shared')](): { tag: string; buffer: SharedArrayBuffer; byteOffset: number } {
     return { tag: 'AtomicUint64', buffer: this.view.buffer as SharedArrayBuffer, byteOffset: this.view.byteOffset };
   }
 }
diff --git a/src/shared/atomic-uint8.ts b/src/shared/atomic-uint8.ts
index a7adf32..c8711e3 100644
--- a/src/shared/atomic-uint8.ts
+++ b/src/shared/atomic-uint8.ts
@@ -47,7 +47,7 @@ export class AtomicUint8 {
     return Atomics.compareExchange(this.view, 0, expected, replacement);
   }
 
-  [Symbol.for('moroutine.sync')](): { tag: string; buffer: SharedArrayBuffer; byteOffset: number } {
+  [Symbol.for('moroutine.shared')](): { tag: string; buffer: SharedArrayBuffer; byteOffset: number } {
     return { tag: 'AtomicUint8', buffer: this.view.buffer as SharedArrayBuffer, byteOffset: this.view.byteOffset };
   }
 }
diff --git a/src/shared/mutex.ts b/src/shared/mutex.ts
index a74770c..0c0cd14 100644
--- a/src/shared/mutex.ts
+++ b/src/shared/mutex.ts
@@ -45,7 +45,7 @@ export class Mutex {
     Atomics.notify(this.view, 0, 1);
   }
 
-  [Symbol.for('moroutine.sync')](): { tag: string; buffer: SharedArrayBuffer; byteOffset: number } {
+  [Symbol.for('moroutine.shared')](): { tag: string; buffer: SharedArrayBuffer; byteOffset: number } {
     return { tag: 'Mutex', buffer: this.view.buffer as SharedArrayBuffer, byteOffset: this.view.byteOffset };
   }
 }
diff --git a/src/shared/reconstruct.ts b/src/shared/reconstruct.ts
index 371f935..d1bc37c 100644
--- a/src/shared/reconstruct.ts
+++ b/src/shared/reconstruct.ts
@@ -1,4 +1,4 @@
-const SYNC = Symbol.for('moroutine.sync');
+const SHARED = Symbol.for('moroutine.shared');
 
 const registry = new Map<string, new (buffer: SharedArrayBuffer, byteOffset: number) => unknown>();
 
@@ -7,17 +7,17 @@ export function registerSync(tag: string, ctor: new (buffer: SharedArrayBuffer,
 }
 
 export function serializeArg(arg: unknown): unknown {
-  if (typeof arg === 'object' && arg !== null && SYNC in arg) {
-    const sync = (arg as { [key: symbol]: () => { tag: string; buffer: SharedArrayBuffer; byteOffset: number } })[SYNC]();
-    return { __sync__: sync.tag, buffer: sync.buffer, byteOffset: sync.byteOffset };
+  if (typeof arg === 'object' && arg !== null && SHARED in arg) {
+    const shared = (arg as { [key: symbol]: () => { tag: string; buffer: SharedArrayBuffer; byteOffset: number } })[SHARED]();
+    return { __shared__: shared.tag, buffer: shared.buffer, byteOffset: shared.byteOffset };
   }
   return arg;
 }
 
 export function deserializeArg(arg: unknown): unknown {
-  if (typeof arg === 'object' && arg !== null && '__sync__' in arg) {
-    const data = arg as { __sync__: string; buffer: SharedArrayBuffer; byteOffset: number };
-    const ctor = registry.get(data.__sync__);
+  if (typeof arg === 'object' && arg !== null && '__shared__' in arg) {
+    const data = arg as { __shared__: string; buffer: SharedArrayBuffer; byteOffset: number };
+    const ctor = registry.get(data.__shared__);
     if (ctor) return new ctor(data.buffer, data.byteOffset);
   }
   return arg;
diff --git a/src/shared/rwlock.ts b/src/shared/rwlock.ts
index 1f103c3..848fead 100644
--- a/src/shared/rwlock.ts
+++ b/src/shared/rwlock.ts
@@ -87,7 +87,7 @@ export class RwLock {
     Atomics.notify(this.view, 0, +Infinity);
   }
 
-  [Symbol.for('moroutine.sync')](): { tag: string; buffer: SharedArrayBuffer; byteOffset: number } {
+  [Symbol.for('moroutine.shared')](): { tag: string; buffer: SharedArrayBuffer; byteOffset: number } {
     return { tag: 'RwLock', buffer: this.view.buffer as SharedArrayBuffer, byteOffset: this.view.byteOffset };
   }
 }