diff --git a/Content.Server/Explosion/EntitySystems/ExplosionSystem.Airtight.cs b/Content.Server/Explosion/EntitySystems/ExplosionSystem.Airtight.cs
index 87513df99d..6ebcf59f2e 100644
--- a/Content.Server/Explosion/EntitySystems/ExplosionSystem.Airtight.cs
+++ b/Content.Server/Explosion/EntitySystems/ExplosionSystem.Airtight.cs
@@ -158,7 +158,9 @@ public sealed partial class ExplosionSystem : EntitySystem
                 damagePerIntensity += value * Math.Max(0, ev.DamageCoefficient);
             }
 
-            explosionTolerance[index] = (float) ((totalDamageTarget - damageable.TotalDamage) / damagePerIntensity);
+            explosionTolerance[index] = damagePerIntensity > 0
+                ? (float) ((totalDamageTarget - damageable.TotalDamage) / damagePerIntensity)
+                : float.MaxValue;
         }
 
         return explosionTolerance;
diff --git a/Content.Server/Explosion/EntitySystems/TriggerSystem.cs b/Content.Server/Explosion/EntitySystems/TriggerSystem.cs
index 3bdf14336d..57541b289a 100644
--- a/Content.Server/Explosion/EntitySystems/TriggerSystem.cs
+++ b/Content.Server/Explosion/EntitySystems/TriggerSystem.cs
@@ -126,7 +126,8 @@ namespace Content.Server.Explosion.EntitySystems
             {
                 // Check if entity is bomb/mod. grenade/etc
                 if (_container.TryGetContainer(uid, "payload", out IContainer? container) &&
-                    TryComp(container.ContainedEntities.First(), out ChemicalPayloadComponent? chemicalPayloadComponent))
+                    container.ContainedEntities.Count > 0 &&
+                    TryComp(container.ContainedEntities[0], out ChemicalPayloadComponent? chemicalPayloadComponent))
                 {
                     // If a beaker is missing, the entity won't explode, so no reason to log it
                     if (!TryComp(chemicalPayloadComponent?.BeakerSlotA.Item, out SolutionContainerManagerComponent? beakerA) ||