diff --git a/gods/demihumans/lythander_avatar.arc b/gods/demihumans/lythander_avatar.arc
index 88f94ca4a..39a87d269 100644
--- a/gods/demihumans/lythander_avatar.arc
+++ b/gods/demihumans/lythander_avatar.arc
@@ -17,7 +17,7 @@ attacktype 33
 resist_confusion 100
 path_attuned 65536
 path_repelled 131088
-armour 50
+resist_physical 50
 ac -7
 wc -1
 dam 40
diff --git a/gods/demihumans/mostrai_avatar.arc b/gods/demihumans/mostrai_avatar.arc
index 9c0a41f95..a6521e3fa 100644
--- a/gods/demihumans/mostrai_avatar.arc
+++ b/gods/demihumans/mostrai_avatar.arc
@@ -17,7 +17,7 @@ Pow 30
 path_attuned 18432
 path_repelled 64
 resist_fire 60
-armour 75
+resist_physical 75
 ac -10
 wc -6
 dam 50
diff --git a/gods/elemental/gaea_avatar.arc b/gods/elemental/gaea_avatar.arc
index 2d6d4f990..c842e66fe 100644
--- a/gods/elemental/gaea_avatar.arc
+++ b/gods/elemental/gaea_avatar.arc
@@ -21,7 +21,7 @@ resist_drain 100
 resist_deplete 100
 resist_death 100
 resist_fear -100
-armour 50
+resist_physical 50
 ac -5
 wc -1
 dam 40
diff --git a/monster/animal/giant_worm/g_worm.arc b/monster/animal/giant_worm/g_worm.arc
index 1a77fc82c..0cb356c67 100644
--- a/monster/animal/giant_worm/g_worm.arc
+++ b/monster/animal/giant_worm/g_worm.arc
@@ -19,7 +19,7 @@ Wis 20
 Dex 15
 Con 30
 Int 10
-armour 85
+resist_physical 85
 resist_magic 30
 resist_acid 100
 resist_fire 30