Index: trunk/psModules/src/camera/pmReadoutFake.c
===================================================================
--- trunk/psModules/src/camera/pmReadoutFake.c	(revision 21104)
+++ trunk/psModules/src/camera/pmReadoutFake.c	(revision 23955)
@@ -29,4 +29,6 @@
 #define MAX_AXIS_RATIO 20.0             // Maximum axis ratio for PSF model
 #define SOURCE_MASK (PM_SOURCE_MODE_DEFECT | PM_SOURCE_MODE_CR_LIMIT) // Mask to apply to input sources
+#define MODEL_MASK (PM_MODEL_STATUS_NONCONVERGE | PM_MODEL_STATUS_OFFIMAGE | \
+                    PM_MODEL_STATUS_BADARGS | PM_MODEL_STATUS_LIMITS) // Mask to apply to models
 
 
@@ -123,5 +125,6 @@
 
         pmModel *fakeModel = pmModelFromPSFforXY(psf, x, y, flux);
-        if (!fakeModel) {
+        if (!fakeModel || (fakeModel->flags & MODEL_MASK)) {
+            psFree(fakeModel);
             continue;
         }