Index: trunk/ppStack/src/ppStackReject.c
===================================================================
--- trunk/ppStack/src/ppStackReject.c	(revision 23341)
+++ trunk/ppStack/src/ppStackReject.c	(revision 23573)
@@ -14,4 +14,9 @@
     psAssert(options, "Require options");
     psAssert(config, "Require configuration");
+
+    if (!options->convolve) {
+        // No need to do complicated rejection when we haven't convolved
+        return true;
+    }
 
     int num = options->num;             // Number of inputs
@@ -86,6 +91,6 @@
 
         psPixels *reject = pmStackReject(options->inspect->data[i], options->numCols, options->numRows,
-                                         threshold, poorFrac, stride, options->subRegions->data[i],
-                                         options->subKernels->data[i]); // Rejected pixels
+                                         threshold, poorFrac, stride, options->regions->data[i],
+                                         options->kernels->data[i]); // Rejected pixels
 
 #ifdef TESTING
@@ -141,6 +146,6 @@
 
     psFree(options->inspect); options->inspect = NULL;
-    psFree(options->subKernels); options->subKernels = NULL;
-    psFree(options->subRegions); options->subRegions = NULL;
+    psFree(options->kernels); options->kernels = NULL;
+    psFree(options->regions); options->regions = NULL;
 
     if (numRejected >= num - 1) {