diff --git a/Resources/Prototypes/Entities/Structures/Power/Generation/Singularity/containment.yml b/Resources/Prototypes/Entities/Structures/Power/Generation/Singularity/containment.yml
index 066076452a..a72eccc2c7 100644
--- a/Resources/Prototypes/Entities/Structures/Power/Generation/Singularity/containment.yml
+++ b/Resources/Prototypes/Entities/Structures/Power/Generation/Singularity/containment.yml
@@ -8,8 +8,8 @@
     fixtures:
       fix1:
         shape:
-          !type:PhysShapeAabb
-          bounds: "-0.45,-0.45,0.45,0.45"
+          !type:PhysShapeCircle
+          radius: 0.4
         density: 190
         mask:
         - FullTileMask