diff --git a/Content.Shared/Damage/DamageSpecifier.cs b/Content.Shared/Damage/DamageSpecifier.cs
index 1f91b9126a..54c79f10a3 100644
--- a/Content.Shared/Damage/DamageSpecifier.cs
+++ b/Content.Shared/Damage/DamageSpecifier.cs
@@ -312,10 +312,11 @@ namespace Content.Shared.Damage
         ///     total of each group. If no members of a group are present in this <see cref="DamageSpecifier"/>, the
         ///     group is not included in the resulting dictionary.
         /// </remarks>
-        public Dictionary<string, FixedPoint2> GetDamagePerGroup()
+        public Dictionary<string, FixedPoint2> GetDamagePerGroup(IPrototypeManager? protoManager = null)
         {
+            IoCManager.Resolve(ref protoManager);
             var damageGroupDict = new Dictionary<string, FixedPoint2>();
-            foreach (var group in IoCManager.Resolve<IPrototypeManager>().EnumeratePrototypes<DamageGroupPrototype>())
+            foreach (var group in protoManager.EnumeratePrototypes<DamageGroupPrototype>())
             {
                 if (TryGetDamageInGroup(group, out var value))
                 {
diff --git a/Content.Shared/Damage/Systems/DamageableSystem.cs b/Content.Shared/Damage/Systems/DamageableSystem.cs
index e45eaa30c2..6902a3e943 100644
--- a/Content.Shared/Damage/Systems/DamageableSystem.cs
+++ b/Content.Shared/Damage/Systems/DamageableSystem.cs
@@ -55,7 +55,7 @@ namespace Content.Shared.Damage
                 }
             }
 
-            component.DamagePerGroup = component.Damage.GetDamagePerGroup();
+            component.DamagePerGroup = component.Damage.GetDamagePerGroup(_prototypeManager);
             component.TotalDamage = component.Damage.Total;
         }
 
@@ -82,13 +82,13 @@ namespace Content.Shared.Damage
         public void DamageChanged(DamageableComponent component, DamageSpecifier? damageDelta = null,
             bool interruptsDoAfters = true)
         {
-            component.DamagePerGroup = component.Damage.GetDamagePerGroup();
+            component.DamagePerGroup = component.Damage.GetDamagePerGroup(_prototypeManager);
             component.TotalDamage = component.Damage.Total;
             Dirty(component);
 
             if (EntityManager.TryGetComponent<AppearanceComponent>(component.Owner, out var appearance) && damageDelta != null)
             {
-                var data = new DamageVisualizerGroupData(damageDelta.GetDamagePerGroup().Keys.ToList());
+                var data = new DamageVisualizerGroupData(damageDelta.GetDamagePerGroup(_prototypeManager).Keys.ToList());
                 appearance.SetData(DamageVisualizerKeys.DamageUpdateGroups, data);
             }
             RaiseLocalEvent(component.Owner, new DamageChangedEvent(component, damageDelta, interruptsDoAfters), false);