Index: trunk/ppSub/src/ppSubReadoutInverse.c
===================================================================
--- trunk/ppSub/src/ppSubReadoutInverse.c	(revision 30619)
+++ trunk/ppSub/src/ppSubReadoutInverse.c	(revision 32697)
@@ -11,5 +11,8 @@
 {
     psAssert(config, "Require configuration");
-
+    // Check configuration for convolve option
+    psMetadata *recipe = psMetadataLookupPtr(NULL, config->recipes, PPSUB_RECIPE);
+    bool noConvolve = psMetadataLookupBool(NULL, recipe, "NOCONVOLVE"); // Do not use convolved images.
+    
     pmFPAview *view = ppSubViewReadout(); // View to readout
     pmReadout *outRO = pmFPAfileThisReadout(config->files, view, "PPSUB.OUTPUT");
@@ -25,5 +28,11 @@
 
     // Get concepts from reference
-    pmFPAfile *refFile = psMetadataLookupPtr(NULL, config->files, "PPSUB.REF.CONV"); // File with concepts
+    pmFPAfile *refFile;
+    if (noConvolve) {
+      refFile = psMetadataLookupPtr(NULL, config->files, "PPSUB.REF"); // File with concepts
+    }
+    else {
+      refFile = psMetadataLookupPtr(NULL, config->files, "PPSUB.REF.CONV"); // File with concepts
+    }
     pmFPA *invFPA = invRO->parent->parent->parent; // Inverse FPA
     pmConceptsCopyFPA(invFPA, refFile->fpa, true, true);