diff --git a/PHI-CL/data/b/gm-vp-c.lua b/PHI-CL/data/b/gm-vp-c.lua
index b8b1a14..1b488d1 100644
--- a/PHI-CL/data/b/gm-vp-c.lua
+++ b/PHI-CL/data/b/gm-vp-c.lua
@@ -306,8 +306,9 @@ local items = {
         -- SPACE_AGE 45
         ['fish-breeding'] = {
             energy_required = 10,
+            allow_productivity = true,
             ingredients = {{type = 'item', name = 'raw-fish', amount = 8}, {type = 'item', name = 'nutrients', amount = 80}, {type = 'fluid', name = 'water', amount = 1000, fluidbox_multiplier = 10, ignored_by_stats = 1000}},
-            results = {{type = 'item', name = 'raw-fish', amount = 16}, {type = 'fluid', name = 'water', amount = 1000, fluidbox_multiplier = 10, ignored_by_stats = 1000}}
+            results = {{type = 'item', name = 'raw-fish', amount = 12}, {type = 'fluid', name = 'water', amount = 1000, fluidbox_multiplier = 10, ignored_by_stats = 1000, ignored_by_productivity = 1000}}
         },
     },
     ['recipe'] = {
diff --git a/PHI-CL/data/b/gm-vp.lua b/PHI-CL/data/b/gm-vp.lua
index c56ab1e..8ac8c60 100644
--- a/PHI-CL/data/b/gm-vp.lua
+++ b/PHI-CL/data/b/gm-vp.lua
@@ -419,6 +419,7 @@ for _, v in pairs(data.raw.recipe) do
         v.category = (items['recipe_reform'][v.name].category and items['recipe_reform'][v.name].category) or v.category
         v.ingredients = (items['recipe_reform'][v.name].ingredients and items['recipe_reform'][v.name].ingredients) or v.ingredients
         v.results = (items['recipe_reform'][v.name].results and items['recipe_reform'][v.name].results) or v.results
+        v.allow_productivity = (items['recipe_reform'][v.name].allow_productivity and items['recipe_reform'][v.name].allow_productivity) or v.allow_productivity
         v.energy_required = (items['recipe_reform'][v.name].energy_required and items['recipe_reform'][v.name].energy_required) or v.energy_required
 
     elseif items['recipe'][v.name] then