Index: trunk/ppStack/src/ppStackReadout.c
===================================================================
--- trunk/ppStack/src/ppStackReadout.c	(revision 14765)
+++ trunk/ppStack/src/ppStackReadout.c	(revision 14811)
@@ -34,4 +34,5 @@
     // Get the input sources
     psArray *stack = psArrayAllocEmpty(ARRAY_BUFFER); // The stack of inputs
+    pmReadout *sources = pmFPAfileThisReadout(config->files, view, "PPSTACK.SOURCES"); // Sources for stamps
     psMetadataIterator *fileIter = psMetadataIteratorAlloc(config->files, PS_LIST_HEAD,
                                                            "^PPSTACK.INPUT$"); // Iterator over input files
@@ -82,5 +83,5 @@
         // Generate convolved version of input
         pmReadout *convolved = pmReadoutAlloc(NULL); // Convolved version of input readout
-        if (!ppStackMatch(convolved, ro, config)) {
+        if (!ppStackMatch(convolved, ro, sources, config)) {
             psError(PS_ERR_UNKNOWN, false, "Unable to match image %d.", fileNum);
             psFree(stats);