diff --git a/PHI-CL/data/b/gm-vp-c.lua b/PHI-CL/data/b/gm-vp-c.lua
index 637cc35..eb1a6c2 100644
--- a/PHI-CL/data/b/gm-vp-c.lua
+++ b/PHI-CL/data/b/gm-vp-c.lua
@@ -630,53 +630,63 @@ local items = {
     ['technology_productivity'] = {
         -- BASE 0
         ['concrete'] = {
+            mod = 'base',
             prerequisites = {'landfill'},
             ingredients = {'metallurgic-science-pack', 'electromagnetic-science-pack'},
             effect = {'concrete', 'concrete-from-molten-iron', 'refined-concrete', 'landfill'}
         },
         ['automation'] = {
+            mod = 'base',
             prerequisites = {},
             ingredients = {'metallurgic-science-pack', 'electromagnetic-science-pack'},
             effect = {'pipe', 'casting-pipe', 'iron-gear-wheel', 'casting-iron-gear-wheel', 'barrel'}
         },
         ['electronics'] = {
+            mod = 'base',
             prerequisites = {},
             ingredients = {'metallurgic-science-pack', 'electromagnetic-science-pack'},
             effect = {'electronic-circuit', 'copper-cable', 'casting-copper-cable'}
         },
         ['advanced-circuit'] = {
+            mod = 'base',
             prerequisites = {},
             ingredients = {'electromagnetic-science-pack'},
             effect = {'advanced-circuit'}
         },
         ['engine'] = {
+            mod = 'base',
             prerequisites = {},
             ingredients = {'electromagnetic-science-pack'},
             effect = {'engine-unit', 'electric-engine-unit', 'flying-robot-frame'}
         },
         -- BASE 5
         ['solar-energy'] = {
+            mod = 'base',
             prerequisites = {},
             ingredients = {'electromagnetic-science-pack'},
             effect = {'solar-panel', 'accumulator', 'battery'}
         },
         ['railway'] = {
+            mod = 'base',
             prerequisites = {},
             ingredients = {'electromagnetic-science-pack'},
             effect = {'rail', 'iron-stick', 'casting-iron-stick'}
         },
         ['sulfur-processing'] = {
+            mod = 'base',
             prerequisites = {'cliff-explosives'},
             ingredients = {'cryogenic-science-pack'},
             effect = {'sulfur', 'sulfuric-acid', 'explosives', 'cliff-explosives'}
         },
         ['oil-processing'] = {
+            mod = 'base',
             prerequisites = {},
             ingredients = {'cryogenic-science-pack'},
             effect = {'basic-oil-processing', 'advanced-oil-processing', 'coal-liquefaction', 'lubricant'}
         },
         -- SPACE_AGE 0
         ['agriculture'] = {
+            mod = 'space-age',
             prerequisites = {},
             ingredients = {'agricultural-science-pack'},
             effect = {'yumako-processing', 'jellynut-processing'}
diff --git a/PHI-CL/data/b/gm-vp.lua b/PHI-CL/data/b/gm-vp.lua
index 8ac8c60..662d18c 100644
--- a/PHI-CL/data/b/gm-vp.lua
+++ b/PHI-CL/data/b/gm-vp.lua
@@ -95,13 +95,15 @@ if items['technology_productivity'] then
             table.insert(base_effect, {type = 'change-recipe-productivity', recipe = v2, change = 0.05})
         end
 
+        local icon = ((v.mod and v.mod == 'base') and '__base__/graphics/technology/' .. k ..'.png') or ('__space-age__/graphics/technology/' .. k ..'.png')
+
         data:extend({{
             type = 'technology',
             name = k .. '-productivity',
             prerequisites = base_prerequisites,
             effects = base_effect,
             unit = {count_formula = '1000 * (1.5 ^ (L - 1))', ingredients = base_ingredient, time = 60},
-            icons = {{icon = '__base__/graphics/technology/' .. k ..'.png', icon_size = 256}, {icon = '__core__/graphics/icons/technology/constants/constant-recipe-productivity.png', icon_size = 128, scale = 0.5, shift = {50, 50}}},
+            icons = {{icon = icon, icon_size = 256}, {icon = '__core__/graphics/icons/technology/constants/constant-recipe-productivity.png', icon_size = 128, scale = 0.5, shift = {50, 50}}},
             order = 'a-i-d',
             max_level = 10,
             upgrade = true,