Index: trunk/ppStack/src/ppStackConvolve.c
===================================================================
--- trunk/ppStack/src/ppStackConvolve.c	(revision 23573)
+++ trunk/ppStack/src/ppStackConvolve.c	(revision 23575)
@@ -183,5 +183,5 @@
 
     // Reject images out-of-hand on the basis of their match chi^2
-    {
+    if (options->convolve) {
         psVector *values = psVectorAllocEmpty(num, PS_TYPE_F32); // Values to sort
         for (int i = 0; i < num; i++) {