diff --git a/lib/mayaUsd/render/vp2ShaderFragments/UsdPreviewSurface.xml b/lib/mayaUsd/render/vp2ShaderFragments/UsdPreviewSurface.xml
index 77ab80528c..4f5ed4c08c 100644
--- a/lib/mayaUsd/render/vp2ShaderFragments/UsdPreviewSurface.xml
+++ b/lib/mayaUsd/render/vp2ShaderFragments/UsdPreviewSurface.xml
@@ -83,7 +83,7 @@ limitations under the License.
         <!-- UsdPreviewSurface Parameters -->
         <float name="clearcoat" ref="usdPreviewSurfaceLighting.clearcoatAmount"/>
         <float name="clearcoatRoughness" ref="usdPreviewSurfaceLighting.clearcoatRoughness"/>
-        <float3 name="diffuseColor" ref="diffuseColorPassThrough.input"/>
+        <float3 name="diffuseColor" ref="diffuseColorPassThrough.input" flags="multiDraw"/>
         <float3 name="emissiveColor" ref="usdPreviewSurfaceCombiner.emissiveColor"/>
         <float name="ior" ref="usdPreviewSurfaceLighting.ior"/>
         <float name="metallic" ref="usdPreviewSurfaceLighting.metallic"/>
diff --git a/lib/mayaUsd/render/vp2ShaderFragments/UsdPrimvarReader_color.xml b/lib/mayaUsd/render/vp2ShaderFragments/UsdPrimvarReader_color.xml
index 6ada21f260..9ba911bbd6 100644
--- a/lib/mayaUsd/render/vp2ShaderFragments/UsdPrimvarReader_color.xml
+++ b/lib/mayaUsd/render/vp2ShaderFragments/UsdPrimvarReader_color.xml
@@ -20,7 +20,7 @@ limitations under the License.
         <![CDATA[VP2 implementation for color/opacity reader]]>
     </description>
     <properties>
-        <float4 name="color" semantic="fcolor" flags="varyingInputParam" />
+        <float4 name="diffuseColor" semantic="fcolor" flags="varyingInputParam,multiDraw" />
     </properties>
     <outputs>
         <float4 name="output" />