diff --git a/ALICE3/Tasks/alice3-qa-singleparticle.cxx b/ALICE3/Tasks/alice3-qa-singleparticle.cxx
index f965ccc13d7..23ab96af415 100644
--- a/ALICE3/Tasks/alice3-qa-singleparticle.cxx
+++ b/ALICE3/Tasks/alice3-qa-singleparticle.cxx
@@ -292,7 +292,7 @@ struct Alice3SingleParticle {
     return pdgParticle && pdgParticle->Charge() != 0;
   }
 
-    void fillSignalMultiplicity(const std::vector<int>& nchPerCollision, const std::vector<int>& nSignalPerCollision)
+  void fillSignalMultiplicity(const std::vector<int>& nchPerCollision, const std::vector<int>& nSignalPerCollision)
   {
     for (std::size_t iCollision = 0; iCollision < nchPerCollision.size(); ++iCollision) {
       histos.fill(HIST("event/Nch"), nchPerCollision[iCollision]);