diff --git a/presence/psensor.hpp b/presence/psensor.hpp
index cc65fe0..d73be56 100644
--- a/presence/psensor.hpp
+++ b/presence/psensor.hpp
@@ -74,8 +74,7 @@
      *
      * Provide a default noop implementation.
      */
-    virtual void fail()
-    {}
+    virtual void fail() {}
 
     friend bool operator==(const PresenceSensor& l, const PresenceSensor& r);