Index: trunk/ppSub/src/ppSubMatchPSFs.c
===================================================================
--- trunk/ppSub/src/ppSubMatchPSFs.c	(revision 27188)
+++ trunk/ppSub/src/ppSubMatchPSFs.c	(revision 27316)
@@ -353,9 +353,9 @@
     } else {
         success = pmSubtractionMatch(inConv, refConv, inRO, refRO, footprint, stride, regionSize,
-                                     spacing, threshold, detections->allSources, data->stamps, type, size, order,
-                                     widths, orders, inner, ringsOrder, binning, penalty, optimum,
-                                     optWidths, optOrder, optThresh, iter, rej, normFrac,
-                                     sysErr, skyErr, kernelErr, covarFrac, maskVal, maskBad, maskPoor,
-                                     poorFrac, badFrac, subMode);
+                                     spacing, threshold, detections ? detections->allSources : NULL,
+                                     data->stamps, type, size, order, widths, orders, inner, ringsOrder,
+                                     binning, penalty, optimum, optWidths, optOrder, optThresh, iter, rej,
+                                     normFrac, sysErr, skyErr, kernelErr, covarFrac,
+                                     maskVal, maskBad, maskPoor, poorFrac, badFrac, subMode);
     }