diff --git a/changelog.txt b/changelog.txt
index 4297d75..025ce17 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -1,6 +1,9 @@
 ---------------------------------------------------------------------------------------------------
 Version: 3.2.6
 Date: ????
+  Changes:
+    - Changed internal name of "dirty-water-light" to "muddy-sludge".
+    - Changed internal name of "dirty-water-heavy" to "tailings".
   Bugfixes:
     - Fixed disabling fun entity names mod setting not applying to atomizer and solid separator
     - Fixed disabling fun entity names mod setting breaking when using non-english locale
diff --git a/prototypes/recipes/recipes.lua b/prototypes/recipes/recipes.lua
index e0f300f..0eddb1a 100644
--- a/prototypes/recipes/recipes.lua
+++ b/prototypes/recipes/recipes.lua
@@ -14,7 +14,7 @@ RECIPE {
 	results =
 	{
 		{ type = "item", name = "stone", amount = 10 },
-		{ type = "fluid", name = "dirty-water-light", amount = 50 }
+		{ type = "fluid", name = "muddy-sludge", amount = 50 }
 	},
 	main_product = "stone",
 	icon = "__pycoalprocessinggraphics__/graphics/icons/soil-washer.png",
@@ -77,7 +77,7 @@ RECIPE {
   },
   results = {
     { type = "item", name = "stone", amount_min = 6, amount_max = 12, probability = 0.5 },
-    { type = "fluid", name = "dirty-water-light", amount = 1200 },
+    { type = "fluid", name = "muddy-sludge", amount = 1200 },
     { type = "item", name = "moss", amount = 1, probability = 0.08 },
   },
   main_product = "moss"