diff --git a/PWGEM/PhotonMeson/Utils/NMHistograms.h b/PWGEM/PhotonMeson/Utils/NMHistograms.h
index a5d5544b947..ab69f458636 100644
--- a/PWGEM/PhotonMeson/Utils/NMHistograms.h
+++ b/PWGEM/PhotonMeson/Utils/NMHistograms.h
@@ -18,8 +18,8 @@
 
 #include "PWGEM/PhotonMeson/Utils/MCUtilities.h"
 
-#include <CommonConstants/PhysicsConstants.h>
 #include <CommonConstants/MathConstants.h>
+#include <CommonConstants/PhysicsConstants.h>
 #include <Framework/Concepts.h>
 #include <Framework/HistogramRegistry.h>
 #include <Framework/HistogramSpec.h>