diff --git a/Content.Server/Singularity/EntitySystems/EmitterSystem.cs b/Content.Server/Singularity/EntitySystems/EmitterSystem.cs
index 7a86154dd0..bfe5ca27b9 100644
--- a/Content.Server/Singularity/EntitySystems/EmitterSystem.cs
+++ b/Content.Server/Singularity/EntitySystems/EmitterSystem.cs
@@ -317,6 +317,10 @@ namespace Content.Server.Singularity.EntitySystems
 
         private void OnSignalReceived(EntityUid uid, EmitterComponent component, ref SignalReceivedEvent args)
         {
+            // must anchor the emitter for signals to work
+            if (TryComp<PhysicsComponent>(uid, out var phys) && phys.BodyType != BodyType.Static)
+                return;
+
             if (args.Port == component.OffPort)
             {
                 SwitchOff(uid, component);