diff --git a/src/sampling/sampledSet/sampledSets/sampledSets.C b/src/sampling/sampledSet/sampledSets/sampledSets.C
index 01acb58a0..29b9ffaee 100644
--- a/src/sampling/sampledSet/sampledSets/sampledSets.C
+++ b/src/sampling/sampledSet/sampledSets/sampledSets.C
@@ -129,7 +129,7 @@ void Foam::sampledSets::combineSampledSets
                 samplePts.name(),
                 samplePts.axis(),
                 List<point>(UIndirectList<point>(allPts, indexSets[setI])),
-                allCurveDist
+                scalarList(UIndirectList<scalar>(allCurveDist, indexSets[setI]))
             )
         );
     }