Index: /trunk/psModules/src/imcombine/pmPSFEnvelope.c
===================================================================
--- /trunk/psModules/src/imcombine/pmPSFEnvelope.c	(revision 27330)
+++ /trunk/psModules/src/imcombine/pmPSFEnvelope.c	(revision 27331)
@@ -240,4 +240,5 @@
             }
             float srcRadius = model->modelRadius(model->params, PS_SQR(VARIANCE_VAL)); // Radius for source
+            psFree(model);
             if (srcRadius == 0) {
                 continue;