diff --git a/.github/workflows/Ubuntu.yml b/.github/workflows/Ubuntu.yml
index 745cd41..f6182f0 100644
--- a/.github/workflows/Ubuntu.yml
+++ b/.github/workflows/Ubuntu.yml
@@ -26,10 +26,6 @@ jobs:
             cuda: "13.0.2"
             gcc: 13
             config: Debug
-          - os: ubuntu-24.04
-            cuda: "12.6.0"
-            gcc: 13
-            config: Debug
           - os: ubuntu-22.04
             cuda: "12.0.0"
             gcc: 11
diff --git a/cuBQL/traversal/aggregateApproximate.h b/cuBQL/traversal/aggregateApproximate.h
index a85e55c..2532cc9 100644
--- a/cuBQL/traversal/aggregateApproximate.h
+++ b/cuBQL/traversal/aggregateApproximate.h
@@ -180,11 +180,11 @@ namespace cuBQL {
         }
 
         if (node.count != 0) {
-          for (int i=0;i<node.count;i++) 
-            processPrim(result,
-                        queryPrim,
-                        bvh.primIDs[node.offset+i],
-                        primitives);
+          for (int i=0;i<node.count;i++)
+            perPrimFct(result,
+                       queryPrim,
+                       bvh.primIDs[node.offset+i],
+                       primitives);
         }
         // ------------------------------------------------------------------
         // pop next un-traversed node from stack, discarding any nodes