diff --git a/changelog.txt b/changelog.txt
index 79398f47..7c2a7228 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -9,6 +9,7 @@ Date: ?
     - To smooth the endgame difficuly spike: Snarer hearts removed from perfect samples (now imperfect samples, ha) replaced with dingrit spikes.
     - Snarer hearts added to utility science pack. Kevlar removed from utility science pack.
     - Fixed that composter turd path 1 module bonus did not work. (https://github.com/pyanodon/pybugreports/issues/370)
+    - Stack filter inserters have been deleted. Removed stack filter inserters from sap turd path 2 recipe.
 ---------------------------------------------------------------------------------------------------
 Version: 2.1.14
 Date: 2024-1-10
diff --git a/prototypes/upgrades/sap.lua b/prototypes/upgrades/sap.lua
index b3285f38..23617e23 100644
--- a/prototypes/upgrades/sap.lua
+++ b/prototypes/upgrades/sap.lua
@@ -43,11 +43,11 @@ if data and not yafc_turd_integration then
         ingredients = {
             {type = 'item', name = 'bhoddos', amount = 1},
             {type = 'fluid', name = 'dirty-water-heavy', amount = 30},
-            {type = 'item', name = 'stack-filter-inserter', amount = 1},
+            {type = 'item', name = 'stack-inserter', amount = 1},
         },
         results = {
             {type = 'item', name = 'resveratrol', amount_min = 1, amount_max = 3},
-            {type = 'item', name = 'stack-filter-inserter', amount = 1, probability = 0.999},
+            {type = 'item', name = 'stack-inserter', amount = 1, probability = 0.999},
         },
         main_product = 'resveratrol'
     }}