diff --git a/map_gen/maps/danger_ores/changelog.lua b/map_gen/maps/danger_ores/changelog.lua
index 224951db3..73a4d6eb7 100644
--- a/map_gen/maps/danger_ores/changelog.lua
+++ b/map_gen/maps/danger_ores/changelog.lua
@@ -148,4 +148,7 @@ return [[
       - [DO] Removed robots cost multipliers
       - [DO:JK] Added DO/Joker preset
       - [DO:JK] Added biters drop resources
+
+  2026-06-14:
+      - [DO] Disabled radioactivity by default, expect for Joker preset
 ]]
diff --git a/map_gen/maps/danger_ores/configuration.lua b/map_gen/maps/danger_ores/configuration.lua
index 5945238af..381f95598 100644
--- a/map_gen/maps/danger_ores/configuration.lua
+++ b/map_gen/maps/danger_ores/configuration.lua
@@ -62,7 +62,7 @@ return {
     enabled = true,
   },
   radioactivity = {
-    enabled = true,
+    enabled = false,
   },
   rocket_launched = {
     enabled = true,
diff --git a/map_gen/maps/danger_ores/presets/danger_ore_joker.lua b/map_gen/maps/danger_ores/presets/danger_ore_joker.lua
index 13161a41e..7ec713680 100644
--- a/map_gen/maps/danger_ores/presets/danger_ore_joker.lua
+++ b/map_gen/maps/danger_ores/presets/danger_ore_joker.lua
@@ -37,6 +37,7 @@ DOC.map_config.enemy_scale_factor = 64
 DOC.map_config.main_ores_rotate = nil
 DOC.map_config.main_ores = require 'map_gen.maps.danger_ores.config.joker_outer_area'
 DOC.map_config.main_ores_builder = require 'map_gen.maps.danger_ores.modules.main_ores_exclusive_shapes'
+DOC.radioactivity.enabled = true
 
 local remnants = require 'resources.remnants'
 local wrecks = {