Index: /issm/trunk-jpl/src/c/cores/transient_core.cpp
===================================================================
--- /issm/trunk-jpl/src/c/cores/transient_core.cpp	(revision 19191)
+++ /issm/trunk-jpl/src/c/cores/transient_core.cpp	(revision 19192)
@@ -181,5 +181,5 @@
 			OutputResultsx(femmodel);
 		}
-		if(step%restart_frequency==0 )femmodel->CheckPoint();
+		if(restart_frequency && step%restart_frequency==0)femmodel->CheckPoint();
 	}