diff --git a/source/vibe/core/core.d b/source/vibe/core/core.d
index f58c33f076..bd8232d056 100644
--- a/source/vibe/core/core.d
+++ b/source/vibe/core/core.d
@@ -499,7 +499,7 @@ struct TaskLocal(T)
 
 	@disable this(this);
 
-	void opAssign(bool value) { this.storage = value; }
+	void opAssign(T value) { this.storage = value; }
 
 	@property ref T storage()
 	{