diff --git a/test/function/algebra/sparse/cs_lu.test.js b/test/function/algebra/sparse/cs_lu.test.js
index f7ed8c4fa..e0145be52 100644
--- a/test/function/algebra/sparse/cs_lu.test.js
+++ b/test/function/algebra/sparse/cs_lu.test.js
@@ -1,6 +1,6 @@
 var assert = require('assert');
 var approx = require('../../../../tools/approx');
-var math = require('../../../../index');
+var math = require('../../../../index').create();
 math.import(require('../../../../lib/function/algebra/sparse/cs_permute'));
 math.import(require('../../../../lib/function/algebra/sparse/cs_lu'));
 math.import(require('../../../../lib/function/algebra/sparse/cs_sqr'));
diff --git a/test/node/function/alegbra/sparse/cs_amd.test.js b/test/node/function/alegbra/sparse/cs_amd.test.js
index 5d9ef6391..88a41fa58 100644
--- a/test/node/function/alegbra/sparse/cs_amd.test.js
+++ b/test/node/function/alegbra/sparse/cs_amd.test.js
@@ -1,7 +1,7 @@
 var assert = require('assert');
 var approx = require('../../../../../tools/approx');
 var market = require('../../../../../tools/matrixmarket');
-var math = require('../../../../../index');
+var math = require('../../../../../index').create();
 math.import(require('../../../../../lib/function/algebra/sparse/cs_amd'));
 
 var cs_amd = math.sparse.cs_amd;
diff --git a/test/node/function/alegbra/sparse/cs_lu.test.js b/test/node/function/alegbra/sparse/cs_lu.test.js
index a3cd38f56..9c5933846 100644
--- a/test/node/function/alegbra/sparse/cs_lu.test.js
+++ b/test/node/function/alegbra/sparse/cs_lu.test.js
@@ -1,7 +1,7 @@
 var assert = require('assert');
 var approx = require('../../../../../tools/approx');
 var market = require('../../../../../tools/matrixmarket');
-var math = require('../../../../../index');
+var math = require('../../../../../index').create();
 
 math.import(require('../../../../../lib/function/algebra/sparse/cs_permute'));
 math.import(require('../../../../../lib/function/algebra/sparse/cs_lu'));