diff --git a/PWGMM/UE/Tasks/flattenicityTask.cxx b/PWGMM/UE/Tasks/flattenicityTask.cxx
index 65260f7025c..6768efac4ce 100644
--- a/PWGMM/UE/Tasks/flattenicityTask.cxx
+++ b/PWGMM/UE/Tasks/flattenicityTask.cxx
@@ -44,8 +44,8 @@
 #include <array>
 #include <cmath>
 #include <cstddef>
-#include <memory>
 #include <limits>
+#include <memory>
 #include <vector>
 
 using namespace o2;