diff --git a/crates/bevy_pbr/src/light.rs b/crates/bevy_pbr/src/light.rs
index 7d87a76e21fc2..3b33909f2f29c 100644
--- a/crates/bevy_pbr/src/light.rs
+++ b/crates/bevy_pbr/src/light.rs
@@ -391,7 +391,7 @@ impl Clusters {
     }
     fn clear(&mut self) {
         self.tile_size = UVec2::ONE;
-        self.dimensions = UVec3::ONE;
+        self.dimensions = UVec3::ZERO;
         self.near = 0.0;
         self.far = 0.0;
         self.lights.clear();