diff --git a/binaries/data/mods/public/simulation/data/technologies/persians/immortals.json b/binaries/data/mods/public/simulation/data/technologies/persians/immortals.json
index 3ee71436b1..a636949192 100644
--- a/binaries/data/mods/public/simulation/data/technologies/persians/immortals.json
+++ b/binaries/data/mods/public/simulation/data/technologies/persians/immortals.json
@@ -11,6 +11,6 @@
 		{"value": "Cost/BuildTime", "multiply": 0.5},
 		{"value": "Health/Max", "add": -20}
 	],
-	"affects": ["Champion Infantry"],
+	"affects": ["Immortal"],
 	"soundComplete": "interface/alarm/alarm_upgradearmory.xml"
-}
\ No newline at end of file
+}