diff --git a/lib/mayaUsd/ufe/UsdTransform3dMayaXformStack.cpp b/lib/mayaUsd/ufe/UsdTransform3dMayaXformStack.cpp
index 8b1cf8c7b4..db5ca64bdc 100644
--- a/lib/mayaUsd/ufe/UsdTransform3dMayaXformStack.cpp
+++ b/lib/mayaUsd/ufe/UsdTransform3dMayaXformStack.cpp
@@ -569,6 +569,7 @@ Ufe::SetVector3dUndoableCommand::Ptr UsdTransform3dMayaXformStack::setVector3dCm
     const TfToken& opSuffix)
 {
     auto   attr = prim().GetAttribute(attrName);
+    auto   setXformOpOrderFn = getXformOpOrderFn();
     OpFunc f = attr
         ? OpFunc([attrName](const BaseUndoableCommand& cmd) {
               auto usdSceneItem = std::dynamic_pointer_cast<UsdSceneItem>(cmd.sceneItem());
@@ -577,7 +578,12 @@ Ufe::SetVector3dUndoableCommand::Ptr UsdTransform3dMayaXformStack::setVector3dCm
               return UsdGeomXformOp(attr);
           })
         : OpFunc(
-            [opSuffix, setXformOpOrderFn = getXformOpOrderFn(), v](const BaseUndoableCommand& cmd) {
+            // MAYA-108612: generalized lambda capture below is incorrect with
+            // gcc 6.3.1 on Linux.  Call to getXformOpOrderFn() is non-virtual;
+            // work around by calling in function body.  PPT, 11-Jan-2021.
+            // [opSuffix, setXformOpOrderFn = getXformOpOrderFn(), v](const BaseUndoableCommand&
+            // cmd) {
+            [opSuffix, setXformOpOrderFn, v](const BaseUndoableCommand& cmd) {
                 InTransform3dChange guard(cmd.path());
                 auto usdSceneItem = std::dynamic_pointer_cast<UsdSceneItem>(cmd.sceneItem());
                 TF_AXIOM(usdSceneItem);
diff --git a/test/lib/ufe/testComboCmd.py b/test/lib/ufe/testComboCmd.py
index f19ab4caa5..3809ea25f0 100644
--- a/test/lib/ufe/testComboCmd.py
+++ b/test/lib/ufe/testComboCmd.py
@@ -32,7 +32,6 @@
 
 import unittest
 import os
-import platform
 
 from functools import partial
 
@@ -615,9 +614,8 @@ def testFallbackCases(self):
 
     # Name test such that it runs last.  Otherwise, it runs before 
     # testRotateScalePivotCompensation(), and causes it to fail.  To be 
-    # investigated --- MAYA-108067.  Fails on Linux, both Python 2 and 3
-    # --- MAYA-108612.
-    @unittest.skipIf(mayaUtils.previewReleaseVersion() < 121 or platform.system() == 'Linux', 'Fallback transform op handling only available in Maya Preview Release 121 or later.')
+    # investigated --- MAYA-108067.
+    @unittest.skipIf(mayaUtils.previewReleaseVersion() < 121, 'Fallback transform op handling only available in Maya Preview Release 121 or later.')
     def testZFallback(self):
         '''Transformable not handled by standard Transform3d handlers must be
     handled by fallback handler.'''