diff --git a/data/game.cfg b/data/game.cfg
index 6d03b945529..e7352d1421b 100644
--- a/data/game.cfg
+++ b/data/game.cfg
@@ -563,18 +563,18 @@
         [/movement costs]
 
         [defense]
-        deep water=80
-        shallow water=70
-        swamp water=60
-        grassland=70
-        sand=70
-        forest=60
-        hills=60
-        mountains=60
-        village=70
-        castle=70
-        cave=70
-        tundra=70
+        deep water=90
+        shallow water=80
+        swamp water=70
+        grassland=80
+        sand=80
+        forest=70
+        hills=70
+        mountains=70
+        village=80
+        castle=80
+        cave=80
+        tundra=80
         [/defense]
 
         [resistance]