diff --git a/src/modules/uORB/ORBSet.hpp b/src/modules/uORB/ORBSet.hpp
index 78c58625db..94ba85138e 100644
--- a/src/modules/uORB/ORBSet.hpp
+++ b/src/modules/uORB/ORBSet.hpp
@@ -120,7 +120,7 @@ public:
 			}
 		}
 
-		return nullptr;
+		return false;
 	}
 
 private: