diff --git a/test/lib/mayaUsd/render/mayaToHydra/testCustomShadersNode.py b/test/lib/mayaUsd/render/mayaToHydra/testCustomShadersNode.py
index a355a7aa8..bb63a336a 100644
--- a/test/lib/mayaUsd/render/mayaToHydra/testCustomShadersNode.py
+++ b/test/lib/mayaUsd/render/mayaToHydra/testCustomShadersNode.py
@@ -19,6 +19,7 @@
 import mtohUtils
 import mayaUtils
 from testUtils import PluginLoaded
+import platform
 
 class TestCustomShadersNode(mtohUtils.MayaHydraBaseTestCase): #Subclassing mtohUtils.MayaHydraBaseTestCase to be able to call self.assertSnapshotClose
     # MayaHydraBaseTestCase.setUpClass requirement.