diff --git a/bin/cmd/import.js b/bin/cmd/import.js
index 571a456..44efbbd 100644
--- a/bin/cmd/import.js
+++ b/bin/cmd/import.js
@@ -57,7 +57,7 @@ module.exports = {
     })
     yargs.option('tweak_module_shard_complexity', {
       type: 'number',
-      default: 200,
+      default: 500,
       coerce: parseFloat,
       describe: 'max polygon complexity for shard module'
     })
diff --git a/module/shard/TriggerGeometryInsert.js b/module/shard/TriggerGeometryInsert.js
index 74ee07a..fe51d38 100644
--- a/module/shard/TriggerGeometryInsert.js
+++ b/module/shard/TriggerGeometryInsert.js
@@ -5,7 +5,7 @@ class TriggerGeometryInsert extends SqliteStatement {
   create (db, config) {
     try {
       let dbname = _.get(config, 'database', 'main')
-      let complexity = _.clamp(_.get(config, 'module.shard.complexity', 200), 5, 1000000)
+      let complexity = _.clamp(_.get(config, 'module.shard.complexity', 500), 5, 1000000)
       let simplify = _.get(config, 'module.shard.simplify', 0.0001)
       db.prepare(`
         CREATE TRIGGER IF NOT EXISTS shard_geometry_insert
diff --git a/module/shard/TriggerGeometryInsert.test.js b/module/shard/TriggerGeometryInsert.test.js
index fd1101f..a340051 100644
--- a/module/shard/TriggerGeometryInsert.test.js
+++ b/module/shard/TriggerGeometryInsert.test.js
@@ -81,7 +81,7 @@ tap.test('definition', (t) => {
 
           -- insert collection into tmp table
           INSERT INTO shard_subdivide (geom)
-          SELECT ST_Subdivide(ST_SimplifyPreserveTopology(NEW.geom, 0.0001), 200)
+          SELECT ST_Subdivide(ST_SimplifyPreserveTopology(NEW.geom, 0.0001), 500)
           WHERE NEW.geom IS NOT NULL;
 
           -- insert shards in to shard table
@@ -177,8 +177,7 @@ tap.test('functional - boundary', (t) => {
     { element: 34 },
     { element: 35 },
     { element: 36 },
-    { element: 37 },
-    { element: 38 }
+    { element: 37 }
   ], 'split')
 
   t.end()
@@ -254,8 +253,7 @@ tap.test('functional - buffer', (t) => {
     { element: 34 },
     { element: 35 },
     { element: 36 },
-    { element: 37 },
-    { element: 38 }
+    { element: 37 }
   ], 'split')
 
   t.end()