diff --git a/binaries/data/mods/public/simulation/data/technologies/mauryans/special_archery_tradition.json b/binaries/data/mods/public/simulation/data/technologies/mauryans/special_archery_tradition.json
index d2daab56dc..6cc4f9fd10 100644
--- a/binaries/data/mods/public/simulation/data/technologies/mauryans/special_archery_tradition.json
+++ b/binaries/data/mods/public/simulation/data/technologies/mauryans/special_archery_tradition.json
@@ -9,6 +9,7 @@
 	"tooltip": "Range +10 meters for bow-wielding units. Archer units train time -20%, but also -20% health.",
 	"modifications": [
 		{"value": "Attack/Ranged/MaxRange", "add": 10.0},
+		{"value": "Vision/Range", "add": 10.0},
 		{"value": "Cost/BuildTime", "multiply": 0.8},
 		{"value": "Health/Max", "multiply": 0.8}],
 	"affects": ["Archer"],
diff --git a/binaries/data/mods/public/simulation/data/technologies/persians/special_archery_tradition.json b/binaries/data/mods/public/simulation/data/technologies/persians/special_archery_tradition.json
index 4409100b5f..5a902ac8fd 100644
--- a/binaries/data/mods/public/simulation/data/technologies/persians/special_archery_tradition.json
+++ b/binaries/data/mods/public/simulation/data/technologies/persians/special_archery_tradition.json
@@ -9,6 +9,7 @@
 	"tooltip": "Range +10 meters for bow-wielding units. Archer units train time -20%, but also -20% health.",
 	"modifications": [
 		{"value": "Attack/Ranged/MaxRange", "add": 10.0},
+		{"value": "Vision/Range", "add": 10.0},
 		{"value": "Cost/BuildTime", "multiply": 0.8},
 		{"value": "Health/Max", "multiply": 0.8}],
 	"affects": ["Archer"],
diff --git a/binaries/data/mods/public/simulation/data/technologies/ranged_inf_skirmishers.json b/binaries/data/mods/public/simulation/data/technologies/ranged_inf_skirmishers.json
index 9ae36598e7..8e7bd29a2d 100644
--- a/binaries/data/mods/public/simulation/data/technologies/ranged_inf_skirmishers.json
+++ b/binaries/data/mods/public/simulation/data/technologies/ranged_inf_skirmishers.json
@@ -20,7 +20,8 @@
 	"tooltip": "All Javelin units +2 pierce attack and +4 range.",
 	"modifications": [
 		{"value": "Attack/Ranged/Pierce", "add": 2.0},
-		{"value": "Attack/Ranged/MaxRange", "add": 4.0}],
+		{"value": "Attack/Ranged/MaxRange", "add": 4.0},
+		{"value": "Vision/Range", "add": 4.0}],
 	"affects": ["Javelin"],
 	"soundComplete": "interface/alarm/alarm_upgradearmory.xml"
 }
\ No newline at end of file