diff --git a/EXOSIMS/Prototypes/SimulatedUniverse.py b/EXOSIMS/Prototypes/SimulatedUniverse.py
index 78f65f11d..157b678ab 100644
--- a/EXOSIMS/Prototypes/SimulatedUniverse.py
+++ b/EXOSIMS/Prototypes/SimulatedUniverse.py
@@ -529,7 +529,7 @@ def dump_systems(self):
                'star':self.TargetList.Name[self.plan2star]}
         if not self.commonSystemInclinations == None:
             systems['starI'] = self.TargetList.I
-        if self.ZodiacalLight.commonSystemnEZ:
+        if self.ZodiacalLight.commonSystemfEZ:
             systems['starnEZ'] = self.ZodiacalLight.nEZ
         
         return systems