diff --git a/firebird-ng/src/app/geometry.service.ts b/firebird-ng/src/app/geometry.service.ts
index 2d70ee4..d3105a0 100644
--- a/firebird-ng/src/app/geometry.service.ts
+++ b/firebird-ng/src/app/geometry.service.ts
@@ -97,7 +97,7 @@ export class GeometryService {
 
     //
     console.time('[GeoSrv]: Build geometry');
-    let rootObject3d = build(rootGeoManager, { numfaces: 500000000, numnodes: 50000000, instancing:0, dflt_colors: false, vislevel: 100, doubleside:true, transparency:true});
+    let rootObject3d = build(rootGeoManager, { numfaces: 500000000, numnodes: 50000000, instancing:-1, dflt_colors: false, vislevel: 100, doubleside:true, transparency:true});
     console.timeEnd('[GeoSrv]: Build geometry');
     // >oO console.log(geo);