diff --git a/docs/changelog.txt b/docs/changelog.txt
index 3f662b86bf..fd6b282882 100644
--- a/docs/changelog.txt
+++ b/docs/changelog.txt
@@ -67,7 +67,7 @@ Template for new versions:
 
 ## Removed
 
-# 50.13-r2
+# 50.13-r3
 
 ## New Tools
 - `plant`: (reinstated) tool for creating/growing/removing plants
@@ -91,6 +91,7 @@ Template for new versions:
 - `overlay`: overlay positions are now adjusted according to the configured max interface width percentage in the DF settings
 - `zone`: animal assignment overlay button moved to not conflict with vanilla aquarium/terrarium button on glass cages
 - `zone`: allow friendly creatures to be released from cages by assigning them to a pasture zone and then unassigning them
+- `autobutcher`: fix inverted ranking of which animals to butcher first
 
 ## Misc Improvements
 - `blueprint`: capture track carving designations in addition to already-carved tracks
diff --git a/plugins/autobutcher.cpp b/plugins/autobutcher.cpp
index abf39e2020..db6e23d76d 100644
--- a/plugins/autobutcher.cpp
+++ b/plugins/autobutcher.cpp
@@ -216,19 +216,19 @@ static void doMarkForSlaughter(df::unit *unit) {
 // returns true if a should be butchered before b
 static bool compareKids(df::unit *a, df::unit *b) {
     if (isHighPriority(a) != isHighPriority(b))
-        return isHighPriority(a);
+        return isHighPriority(b);
     if (Units::isDomesticated(a) != Units::isDomesticated(b))
-        return Units::isDomesticated(b);
-    return Units::getAge(a, true) < Units::getAge(b, true);
+        return Units::isDomesticated(a);
+    return Units::getAge(a, true) > Units::getAge(b, true);
 }
 
 // returns true if a should be butchered before b
 static bool compareAdults(df::unit* a, df::unit* b) {
     if (isHighPriority(a) != isHighPriority(b))
-        return isHighPriority(a);
+        return isHighPriority(b);
     if (Units::isDomesticated(a) != Units::isDomesticated(b))
-        return Units::isDomesticated(b);
-    return Units::getAge(a, true) > Units::getAge(b, true);
+        return Units::isDomesticated(a);
+    return Units::getAge(a, true) < Units::getAge(b, true);
 }
 
 struct WatchedRace {