diff --git a/psychoblend/ui.py b/psychoblend/ui.py
index 46ccf68..eb13c2e 100644
--- a/psychoblend/ui.py
+++ b/psychoblend/ui.py
@@ -460,10 +460,10 @@ class MATERIAL_PT_psychopath_context_material(PsychopathPanel, bpy.types.Panel):
             row.template_list("MATERIAL_UL_matslots", "", ob, "material_slots", ob, "active_material_index", rows=1)
 
             col = row.column(align=True)
-            col.operator("object.material_slot_add", icon='ZOOMIN', text="")
-            col.operator("object.material_slot_remove", icon='ZOOMOUT', text="")
+            col.operator("object.material_slot_add", icon='ADD', text="")
+            col.operator("object.material_slot_remove", icon='REMOVE', text="")
 
-            col.menu("MATERIAL_MT_specials", icon='DOWNARROW_HLT', text="")
+            col.menu("MATERIAL_MT_context_menu", icon='DOWNARROW_HLT', text="")
 
             if ob.mode == 'EDIT':
                 row = layout.row(align=True)
@@ -471,7 +471,7 @@ class MATERIAL_PT_psychopath_context_material(PsychopathPanel, bpy.types.Panel):
                 row.operator("object.material_slot_select", text="Select")
                 row.operator("object.material_slot_deselect", text="Deselect")
 
-        split = layout.split(percentage=0.65)
+        split = layout.split(factor=0.65)
 
         if ob:
             split.template_ID(ob, "active_material", new="material.new")