Index: trunk/ppMerge/src/ppMergeCombine.c
===================================================================
--- trunk/ppMerge/src/ppMergeCombine.c	(revision 15308)
+++ trunk/ppMerge/src/ppMergeCombine.c	(revision 15380)
@@ -223,4 +223,20 @@
 
             } while (numRead > 0);
+
+            // Get list of cells for concepts averaging
+            psList *inCells = psListAlloc(NULL); // List of cells
+            for (int i = 0; i < filenames->n; i++) {
+                if (! filenames->data[i] || strlen(filenames->data[i]) == 0) {
+                    continue;
+                }
+                pmCell *cellIn = pmFPAviewThisCell(view, data->in->data[i]); // Input cell
+                psListAdd(inCells, PS_LIST_TAIL, cellIn);
+            }
+            if (!pmConceptsAverageCells(cell, inCells, NULL, NULL, true)) {
+                psError(PS_ERR_UNKNOWN, false, "Unable to average cell concepts.");
+                psFree(inCells);
+                return false;
+            }
+            psFree(inCells);
 
             psFree(stack);