diff --git a/eos/saveddata/fit.py b/eos/saveddata/fit.py
index dcfdc186f..dc1cf491b 100644
--- a/eos/saveddata/fit.py
+++ b/eos/saveddata/fit.py
@@ -511,6 +511,9 @@ class Fit(object):
         if self.commandFits and not withBoosters:
             print "Calculatate command fits and apply to fit"
             for fit in self.commandFits:
+                if self == fit:
+                    print "nope"
+                    continue
                 print "calculating ", fit
                 fit.calculateModifiedAttributes(self, True)
                 #