Index: trunk/psModules/src/objects/pmSourceUtils.c
===================================================================
--- trunk/psModules/src/objects/pmSourceUtils.c	(revision 36623)
+++ trunk/psModules/src/objects/pmSourceUtils.c	(revision 36859)
@@ -34,7 +34,7 @@
 #include "pmMoments.h"
 #include "pmModelFuncs.h"
+#include "pmModelClass.h"
 #include "pmModel.h"
 #include "pmModelUtils.h"
-#include "pmModelClass.h"
 #include "pmSourceMasks.h"
 #include "pmSourceExtendedPars.h"
@@ -65,5 +65,5 @@
     pmModel *model = pmModelAlloc(modelType);
 
-    if (!model->modelGuess(model, source, maskVal, markVal)) {
+    if (!model->class->modelGuess(model, source, maskVal, markVal)) {
 	psFree (model);
 	return NULL;