Index: /tags/ipp-20141119/psModules/src/objects/pmSourceIO_CMF.c.in
===================================================================
--- /tags/ipp-20141119/psModules/src/objects/pmSourceIO_CMF.c.in	(revision 37770)
+++ /tags/ipp-20141119/psModules/src/objects/pmSourceIO_CMF.c.in	(revision 37771)
@@ -319,5 +319,6 @@
 
     // define PSF model type
-    int modelType = pmModelClassGetType ("PS_MODEL_GAUSS");
+    int defaultModelType = pmModelClassGetType ("PS_MODEL_GAUSS");
+    int modelType = -1;
 
     // if header does not define the model, default to a gaussian
@@ -326,5 +327,9 @@
         modelType = pmModelClassGetType (PSF_NAME);
     }
-    assert (modelType > -1);
+    // work around bug in psphotFullForce
+    if (modelType < 0) {
+    	modelType = defaultModelType;
+    }
+    // assert (modelType > -1);
 
     // do we expect to find lensing parameters?