diff --git a/korman/render.py b/korman/render.py
index 0e6f536..4ac6101 100644
--- a/korman/render.py
+++ b/korman/render.py
@@ -27,6 +27,8 @@ class PlasmaRenderEngine(bpy.types.RenderEngine):
 # Explicitly whitelist compatible Blender panels...
 from bl_ui import properties_material
 properties_material.MATERIAL_PT_context_material.COMPAT_ENGINES.add("PLASMA_GAME")
+properties_material.MATERIAL_PT_diffuse.COMPAT_ENGINES.add("PLASMA_GAME")
+properties_material.MATERIAL_PT_specular.COMPAT_ENGINES.add("PLASMA_GAME")
 properties_material.MATERIAL_PT_options.COMPAT_ENGINES.add("PLASMA_GAME")
 properties_material.MATERIAL_PT_preview.COMPAT_ENGINES.add("PLASMA_GAME")
 del properties_material