diff --git a/src/runtime-three/runtime-host.js b/src/runtime-three/runtime-host.js
index 8b86ac88..56395ded 100644
--- a/src/runtime-three/runtime-host.js
+++ b/src/runtime-three/runtime-host.js
@@ -752,7 +752,7 @@ export class RuntimeHost {
             center: brush.center,
             rotationDegrees: brush.rotationDegrees,
             size: brush.size
-        }, contactBounds, brush.volume.water.foamContactLimit);
+        }, contactBounds, this.getRuntimeWaterFoamContactLimit(brush));
     }
     collectRuntimePlayerWaterContactPatches(brush) {
         const playerBounds = this.createPlayerWaterContactBounds();
@@ -763,10 +763,13 @@ export class RuntimeHost {
             center: brush.center,
             rotationDegrees: brush.rotationDegrees,
             size: brush.size
-        }, [playerBounds], brush.volume.water.foamContactLimit);
+        }, [playerBounds], this.getRuntimeWaterFoamContactLimit(brush));
+    }
+    getRuntimeWaterFoamContactLimit(brush) {
+        return brush.volume.mode === "water" ? brush.volume.water.foamContactLimit : 0;
     }
     mergeRuntimeWaterContactPatches(brush, staticContactPatches, dynamicContactPatches) {
-        return [...dynamicContactPatches, ...staticContactPatches].slice(0, brush.volume.water.foamContactLimit);
+        return [...dynamicContactPatches, ...staticContactPatches].slice(0, this.getRuntimeWaterFoamContactLimit(brush));
     }
     updateRuntimeWaterContactUniforms() {
         for (const binding of this.runtimeWaterContactUniforms) {
diff --git a/src/viewport-three/viewport-host.ts b/src/viewport-three/viewport-host.ts
index fc97fecf..22e9fecc 100644
--- a/src/viewport-three/viewport-host.ts
+++ b/src/viewport-three/viewport-host.ts
@@ -3227,10 +3227,14 @@ export class ViewportHost {
         size: waterBrush.size
       },
       contactBounds,
-      waterBrush.volume.water.foamContactLimit
+      this.getViewportWaterFoamContactLimit(waterBrush)
     );
   }
 
+  private getViewportWaterFoamContactLimit(brush: BoxBrush) {
+    return brush.volume.mode === "water" ? brush.volume.water.foamContactLimit : 0;
+  }
+
   private createEdgeHelper(brush: BoxBrush, edgeId: BoxEdgeId): { id: BoxEdgeId; line: Line<BufferGeometry, LineBasicMaterial> } {
     const segment = getBoxBrushEdgeWorldSegment(brush, edgeId);
     const geometry = new BufferGeometry().setFromPoints([