diff --git a/module/geometry/StatementFetch.test.js b/module/geometry/StatementFetch.test.js
index 45d9f7e..fb251b4 100644
--- a/module/geometry/StatementFetch.test.js
+++ b/module/geometry/StatementFetch.test.js
@@ -6,10 +6,7 @@ const GeoColumnGeom = require('./GeoColumnGeom')
 const StatementInsert = require('./StatementInsert')
 const StatementFetch = require('./StatementFetch')
 
-const TRIANGLE = format.from('geometry', 'geojson', {
-  'type': 'MultiPolygon',
-  'coordinates': [[[[1, 1], [2, 2], [3, 3], [1, 1]]]]
-})
+const TRIANGLE = format.from('polygon', 'geojson', require('../../test/fixture/geojson.triangle'))
 
 tap.test('function', (t) => {
   let db = common.tempSpatialDatabase()
diff --git a/module/geometry/StatementInsert.test.js b/module/geometry/StatementInsert.test.js
index 6df4c28..89e0140 100644
--- a/module/geometry/StatementInsert.test.js
+++ b/module/geometry/StatementInsert.test.js
@@ -5,10 +5,7 @@ const TableGeometry = require('./TableGeometry')
 const GeoColumnGeom = require('./GeoColumnGeom')
 const StatementInsert = require('./StatementInsert')
 
-const TRIANGLE = format.from('geometry', 'geojson', {
-  'type': 'MultiPolygon',
-  'coordinates': [[[[1, 1], [2, 2], [3, 3], [1, 1]]]]
-})
+const TRIANGLE = format.from('polygon', 'geojson', require('../../test/fixture/geojson.triangle'))
 
 tap.test('create & drop', (t) => {
   let db = common.tempSpatialDatabase()
diff --git a/test/fixture/geojson.triangle.json b/test/fixture/geojson.triangle.json
index 7d422c8..8aa2efa 100644
--- a/test/fixture/geojson.triangle.json
+++ b/test/fixture/geojson.triangle.json
@@ -1,4 +1,4 @@
 {
   "type": "Polygon",
-  "coordinates": [[[1, 1], [2, 2], [3, 1], [1, 1]]]
+  "coordinates": [[[1, 1], [2, 1], [1, 2], [1, 1]]]
 }
\ No newline at end of file