diff --git a/binaries/data/mods/public/simulation/data/technologies/attack_tower_crenellations.json b/binaries/data/mods/public/simulation/data/technologies/attack_tower_crenellations.json
index 677a40d30c..9728e5324e 100644
--- a/binaries/data/mods/public/simulation/data/technologies/attack_tower_crenellations.json
+++ b/binaries/data/mods/public/simulation/data/technologies/attack_tower_crenellations.json
@@ -8,6 +8,6 @@
 	"researchTime": 40,
 	"tooltip": "Install crenellations and murder holes to have 40% more arrows fired per garrisoned soldier.",
 	"modifications": [{"value": "BuildingAI/GarrisonArrowMultiplier", "multiply": 1.4}],
-	"affects": ["Defensive Tower"],
+	"affects": ["DefenseTower"],
 	"soundComplete": "interface/alarm/alarm_upgradearmory.xml"
 }
diff --git a/binaries/data/mods/public/simulation/data/technologies/attack_tower_defense.json b/binaries/data/mods/public/simulation/data/technologies/attack_tower_defense.json
index 97e9640f4a..fae7470134 100644
--- a/binaries/data/mods/public/simulation/data/technologies/attack_tower_defense.json
+++ b/binaries/data/mods/public/simulation/data/technologies/attack_tower_defense.json
@@ -10,6 +10,6 @@
 	"modifications": [{"value": "Armour/Hack", "add": 2},
 		{"value": "Armour/Pierce", "add": 2},
 		{"value": "Armour/Crush", "add": 2}],
-	"affects": ["Defensive Tower"],
+	"affects": ["DefenseTower"],
 	"soundComplete": "interface/alarm/alarm_upgradearmory.xml"
 }
diff --git a/binaries/data/mods/public/simulation/data/technologies/attack_tower_murderholes.json b/binaries/data/mods/public/simulation/data/technologies/attack_tower_murderholes.json
index adf4edd206..29a055c684 100644
--- a/binaries/data/mods/public/simulation/data/technologies/attack_tower_murderholes.json
+++ b/binaries/data/mods/public/simulation/data/technologies/attack_tower_murderholes.json
@@ -8,6 +8,6 @@
 	"researchTime": 40,
 	"tooltip": "Removes defense tower minimum range.",
 	"modifications": [{"value": "Attack/Ranged/MinRange", "replace": 0}],
-	"affects": ["Defensive Tower"],
+	"affects": ["DefenseTower"],
 	"soundComplete": "interface/alarm/alarm_upgradearmory.xml"
 }
diff --git a/binaries/data/mods/public/simulation/data/technologies/attack_tower_range.json b/binaries/data/mods/public/simulation/data/technologies/attack_tower_range.json
index 93456fd265..bf23f95ff3 100644
--- a/binaries/data/mods/public/simulation/data/technologies/attack_tower_range.json
+++ b/binaries/data/mods/public/simulation/data/technologies/attack_tower_range.json
@@ -8,6 +8,6 @@
 	"researchTime": 40,
 	"tooltip": "Increases defense tower maximum range by 8 meters.",
 	"modifications": [{"value": "Attack/Ranged/MaxRange", "add": 8}],
-	"affects": ["Defensive Tower"],
+	"affects": ["DefenseTower"],
 	"soundComplete": "interface/alarm/alarm_upgradearmory.xml"
 }
diff --git a/binaries/data/mods/public/simulation/data/technologies/attack_tower_watch.json b/binaries/data/mods/public/simulation/data/technologies/attack_tower_watch.json
index b519cbe7e6..cbe69a560f 100644
--- a/binaries/data/mods/public/simulation/data/technologies/attack_tower_watch.json
+++ b/binaries/data/mods/public/simulation/data/technologies/attack_tower_watch.json
@@ -16,6 +16,6 @@
 	"researchTime": 40,
 	"tooltip": "Post sentries to add one arrow to towers.",
 	"modifications": [{"value": "BuildingAI/DefaultArrowCount", "add": 1.0}],
-	"affects": ["Defensive Tower"],
+	"affects": ["DefenseTower"],
 	"soundComplete": "interface/alarm/alarm_upgradearmory.xml"
 }