diff --git a/src/paraview-plugins/foamReader/library/vtkPVFoam.C b/src/paraview-plugins/foamReader/library/vtkPVFoam.C
index c5c648c386a0073aed4e4e445f89733f5598c969..8db72b8bf1334abf448085f314565e630c429f0f 100644
--- a/src/paraview-plugins/foamReader/library/vtkPVFoam.C
+++ b/src/paraview-plugins/foamReader/library/vtkPVFoam.C
@@ -678,7 +678,7 @@ void Foam::vtkPVFoam::Update
         // Suppress caching of Lagrangian since it normally always changes.
         cachedVtp_.filterKeys
         (
-            [](const word& k){ return k.startsWith("lagrangian/"); },
+            [](const word& k){ return k.starts_with("lagrangian/"); },
             true // prune
         );
     }
diff --git a/src/paraview-plugins/foamReader/library/vtkPVFoamMesh.C b/src/paraview-plugins/foamReader/library/vtkPVFoamMesh.C
index 5c41c4c52165d2f2d5c608191eb7cad0078158e3..b94cd67203848d8b0063d1fa5be57d9dc052f1a4 100644
--- a/src/paraview-plugins/foamReader/library/vtkPVFoamMesh.C
+++ b/src/paraview-plugins/foamReader/library/vtkPVFoamMesh.C
@@ -179,7 +179,7 @@ void Foam::vtkPVFoam::convertMeshPatches()
             }
         }
 
-        if (longName.startsWith("group/"))
+        if (longName.starts_with("group/"))
         {
             // Patch group. Collect patch faces.