Index: trunk/ppStack/src/ppStackReadout.c
===================================================================
--- trunk/ppStack/src/ppStackReadout.c	(revision 14852)
+++ trunk/ppStack/src/ppStackReadout.c	(revision 14853)
@@ -87,7 +87,7 @@
         totExposure += exposure;        // Total exposure time
 
-#ifdef NO_CONVOLVE
         // Generate convolved version of input
         pmReadout *convolved = pmReadoutAlloc(NULL); // Convolved version of input readout
+#ifdef NO_CONVOLVE
         if (!ppStackMatch(convolved, ro, sources, config)) {
             psError(PS_ERR_UNKNOWN, false, "Unable to match image %d.", fileNum);