diff --git a/data/json/monsters/mammal.json b/data/json/monsters/mammal.json
index 6771542b85aa5..3cefe70560b08 100644
--- a/data/json/monsters/mammal.json
+++ b/data/json/monsters/mammal.json
@@ -105,8 +105,8 @@
     "material": [ "flesh" ],
     "symbol": "r",
     "color": "brown",
-    "aggression": -10,
-    "morale": 40,
+    "aggression": -35,
+    "morale": 15,
     "melee_dice": 1,
     "melee_dice_sides": 6,
     "melee_cut": 6,