diff --git a/Utility Mods/MoA Fusion Systems/Data/Scripts/ModularAssemblies/FusionParts/S_FusionSystem.cs b/Utility Mods/MoA Fusion Systems/Data/Scripts/ModularAssemblies/FusionParts/S_FusionSystem.cs
index 60bef7e37..970752c53 100644
--- a/Utility Mods/MoA Fusion Systems/Data/Scripts/ModularAssemblies/FusionParts/S_FusionSystem.cs	
+++ b/Utility Mods/MoA Fusion Systems/Data/Scripts/ModularAssemblies/FusionParts/S_FusionSystem.cs	
@@ -253,7 +253,7 @@ private void UpdatePower(bool updateReactors = false)
             PowerStored -= PowerConsumption;
             PowerStored += PowerGeneration;
             if (PowerStored > MaxPowerStored) PowerStored = MaxPowerStored;
-            if (!PowerStored.IsValid())
+            if (float.IsNaN(PowerStored) || float.IsInfinity(PowerStored))
                 PowerStored = 0;
             ModularApi.SetAssemblyProperty(PhysicalAssemblyId, "HeatGeneration",
                 PowerConsumption * MegawattsPerFusionPower * 2);