diff --git a/PWGJE/Core/JetFindingUtilities.h b/PWGJE/Core/JetFindingUtilities.h
index a2dd558822d..b624ba4a927 100644
--- a/PWGJE/Core/JetFindingUtilities.h
+++ b/PWGJE/Core/JetFindingUtilities.h
@@ -331,7 +331,7 @@ void analyseParticles(std::vector<fastjet::PseudoJet>& inputParticles, std::stri
     } else if (particleSelection == "PhysicalPrimaryAndHepMCStatus" && (!particle.isPhysicalPrimary() || particle.getHepMCStatusCode() != 1)) {
       continue;
     }
-    if (isinf(particle.eta())) {
+    if (std::isinf(particle.eta())) {
       continue;
     }
     auto pdgParticle = pdgDatabase->GetParticle(particle.pdgCode());
diff --git a/PWGJE/Tasks/jetplanarflow.cxx b/PWGJE/Tasks/jetplanarflow.cxx
index a4c5527ac64..03ba20f5031 100644
--- a/PWGJE/Tasks/jetplanarflow.cxx
+++ b/PWGJE/Tasks/jetplanarflow.cxx
@@ -228,7 +228,7 @@ struct JetPlanarFlowTask {
         if (particleSelection == "PhysicalPrimary" && !track.isPhysicalPrimary()) {
           continue;
         }
-        if (isinf(track.eta())) {
+        if (std::isinf(track.eta())) {
           continue;
         }
       } else {