diff --git a/src/callback.hpp b/src/callback.hpp
index 49d16a2..7825faf 100644
--- a/src/callback.hpp
+++ b/src/callback.hpp
@@ -242,7 +242,7 @@
                 // The timer uses the context saved on timer enable
                 this->ConditionalCallback<CallbackAccess>::operator()(
                     this->ctx);
-                });
+            });
             // **INDENT-ON**
         }