diff --git a/tests/TestRaycast.py b/tests/TestRaycast.py
index 829654b1..76045ba0 100644
--- a/tests/TestRaycast.py
+++ b/tests/TestRaycast.py
@@ -13,16 +13,16 @@ class TestSurfaceExtractor(unittest.TestCase):
 	def setUp(self):
 		
 		#Create a small volume
-		r = PolyVoxCore.Region(PolyVoxCore.Vector3DInt32(0,0,0), PolyVoxCore.Vector3DInt32(31,31,31))
+		r = PolyVoxCore.Region(PolyVoxCore.Vector3Dint32_t(0,0,0), PolyVoxCore.Vector3Dint32_t(31,31,31))
 		self.vol = PolyVoxCore.SimpleVolumeuint8(r)
 		#Set one single voxel to have a reasonably high density
-		self.vol.setVoxelAt(PolyVoxCore.Vector3DInt32(5, 5, 5), 200)
+		self.vol.setVoxelAt(PolyVoxCore.Vector3Dint32_t(5, 5, 5), 200)
 	
 	def test_hit_voxel(self):
-		self.assertEqual(PolyVoxCore.raycastWithEndpointsSimpleVolumeuint8(self.vol, PolyVoxCore.Vector3DFloat(0,0,0), PolyVoxCore.Vector3DFloat(31,31,31), test_functor), 1)
+		self.assertEqual(PolyVoxCore.raycastWithEndpointsSimpleVolumeuint8(self.vol, PolyVoxCore.Vector3Dfloat(0,0,0), PolyVoxCore.Vector3Dfloat(31,31,31), test_functor), 1)
 	
 	def test_miss_voxel(self):
-		self.assertEqual(PolyVoxCore.raycastWithEndpointsSimpleVolumeuint8(self.vol, PolyVoxCore.Vector3DFloat(0,0,0), PolyVoxCore.Vector3DFloat(0,31,31), test_functor), 0)
+		self.assertEqual(PolyVoxCore.raycastWithEndpointsSimpleVolumeuint8(self.vol, PolyVoxCore.Vector3Dfloat(0,0,0), PolyVoxCore.Vector3Dfloat(0,31,31), test_functor), 0)
 
 if __name__ == '__main__':
 	unittest.main()
diff --git a/tests/TestSurfaceExtractor.py b/tests/TestSurfaceExtractor.py
index 9ba40815..34cedaf9 100644
--- a/tests/TestSurfaceExtractor.py
+++ b/tests/TestSurfaceExtractor.py
@@ -10,10 +10,10 @@ class TestSurfaceExtractor(unittest.TestCase):
 		import PolyVoxCore
 		
 		#Create a small volume
-		r = PolyVoxCore.Region(PolyVoxCore.Vector3DInt32(0,0,0), PolyVoxCore.Vector3DInt32(31,31,31))
+		r = PolyVoxCore.Region(PolyVoxCore.Vector3Dint32_t(0,0,0), PolyVoxCore.Vector3Dint32_t(31,31,31))
 		vol = PolyVoxCore.SimpleVolumeuint8(r)
 		#Set one single voxel to have a reasonably high density
-		vol.setVoxelAt(PolyVoxCore.Vector3DInt32(5, 5, 5), 200)
+		vol.setVoxelAt(PolyVoxCore.Vector3Dint32_t(5, 5, 5), 200)
 		self.mesh = PolyVoxCore.SurfaceMeshPositionMaterialNormal()
 		extractor = PolyVoxCore.MarchingCubesSurfaceExtractorSimpleVolumeuint8(vol, r, self.mesh)
 		extractor.execute()