diff --git a/Content.Server/Chemistry/Components/SolutionInjectOnCollideComponent.cs b/Content.Server/Chemistry/Components/SolutionInjectOnCollideComponent.cs
index c1d0fec05a..cdba55467a 100644
--- a/Content.Server/Chemistry/Components/SolutionInjectOnCollideComponent.cs
+++ b/Content.Server/Chemistry/Components/SolutionInjectOnCollideComponent.cs
@@ -1,5 +1,6 @@
 using Content.Shared.FixedPoint;
 using Content.Shared.Inventory;
+using Content.Shared.Projectiles;
 
 namespace Content.Server.Chemistry.Components;
 
@@ -24,4 +25,7 @@ public sealed partial class SolutionInjectOnCollideComponent : Component
     /// </summary>
     [DataField("blockSlots"), ViewVariables(VVAccess.ReadWrite)]
     public SlotFlags BlockSlots = SlotFlags.MASK;
+
+    [DataField]
+    public string FixtureId = SharedProjectileSystem.ProjectileFixture;
 }
diff --git a/Content.Server/Chemistry/EntitySystems/SolutionInjectOnCollideSystem.cs b/Content.Server/Chemistry/EntitySystems/SolutionInjectOnCollideSystem.cs
index 446be0ca77..0f696774ae 100644
--- a/Content.Server/Chemistry/EntitySystems/SolutionInjectOnCollideSystem.cs
+++ b/Content.Server/Chemistry/EntitySystems/SolutionInjectOnCollideSystem.cs
@@ -26,7 +26,7 @@ public sealed class SolutionInjectOnCollideSystem : EntitySystem
         var target = args.OtherEntity;
 
         if (!args.OtherBody.Hard ||
-            !args.OurBody.Hard ||
+            args.OurFixtureId != ent.Comp.FixtureId ||
             !EntityManager.TryGetComponent<BloodstreamComponent>(target, out var bloodstream) ||
             !_solutionContainersSystem.TryGetInjectableSolution(ent.Owner, out var solution, out _))
         {
diff --git a/Resources/Prototypes/Entities/Objects/Fun/darts.yml b/Resources/Prototypes/Entities/Objects/Fun/darts.yml
index a4e86e1b11..7d91b7fbcc 100644
--- a/Resources/Prototypes/Entities/Objects/Fun/darts.yml
+++ b/Resources/Prototypes/Entities/Objects/Fun/darts.yml
@@ -55,6 +55,7 @@
   - type: SolutionInjectOnCollide
     transferAmount: 2
     blockSlots: OUTERCLOTHING
+    fixtureId: "throw-fixture"
   - type: SolutionTransfer
     maxTransferAmount: 2
   - type: Damageable
@@ -125,6 +126,7 @@
   - type: SolutionInjectOnCollide
     transferAmount: 7
     blockSlots: NONE
+    fixtureId: "throw-fixture"
   - type: SolutionTransfer
     maxTransferAmount: 7
 
diff --git a/Resources/Prototypes/Entities/Objects/Weapons/Melee/spear.yml b/Resources/Prototypes/Entities/Objects/Weapons/Melee/spear.yml
index 4dff7f3ee1..279fed8043 100644
--- a/Resources/Prototypes/Entities/Objects/Weapons/Melee/spear.yml
+++ b/Resources/Prototypes/Entities/Objects/Weapons/Melee/spear.yml
@@ -67,6 +67,7 @@
     solution: melee
   - type: SolutionInjectOnCollide
     transferAmount: 2
+    fixtureId: "throw-fixture"
     blockSlots: NONE
   - type: SolutionTransfer
     maxTransferAmount: 2