diff --git a/algo/evbuild/EventbuildChain.h b/algo/evbuild/EventbuildChain.h
index 314bb3ff9de73ec3c217d55cd40f778c57cfd4b1..7d520feb463c0dbd47f913724a63126a3f44b652 100644
--- a/algo/evbuild/EventbuildChain.h
+++ b/algo/evbuild/EventbuildChain.h
@@ -43,7 +43,7 @@ namespace cbm::algo
     MainConfig fConfig;                                               ///< Configuration / parameters
     TimeClusterTrigger fTrigger;                                      ///< Trigger algorithm
     EventBuilder fEventBuilder;                                       ///< Event builder algorithm
-    std::unique_ptr<evbuild::DigiEventSelector> fSelector = nullptr;  ///< Event selector algorithm
+    std::unique_ptr<evbuild::DigiEventSelector> fSelector;  ///< Event selector algorithm
     qa::DigiEventQa fQa;                                              ///< Event QA algorithm
     qa::DigiEventQaConfig fQaConfig;                                  ///< Configuration for event QA