diff --git a/tests/SimpleActorTest.cpp b/tests/SimpleActorTest.cpp
index 577febfe75ed1204e6f62f7a3eb419a486c34ba8..61ca9b1e6f4068db629b4925020c6ef6fc33c8e9 100644
--- a/tests/SimpleActorTest.cpp
+++ b/tests/SimpleActorTest.cpp
@@ -14,7 +14,7 @@ private:
 protected:
 
 	virtual void receive(uint64_t t) override {
-		sum+=t;
+		sum += t;
 	}
 
 public: