diff --git a/core/src/com/unciv/models/ruleset/validation/RulesetValidator.kt b/core/src/com/unciv/models/ruleset/validation/RulesetValidator.kt
index 53866b7351..840d4a422b 100644
--- a/core/src/com/unciv/models/ruleset/validation/RulesetValidator.kt
+++ b/core/src/com/unciv/models/ruleset/validation/RulesetValidator.kt
@@ -548,7 +548,7 @@ class RulesetValidator(val ruleset: Ruleset) {
         for (unit in ruleset.units.values) {
             checkUnitRulesetInvariant(unit, lines)
             checkUnitRulesetSpecific(unit, lines)
-            uniqueValidator.checkUniques(unit, lines, false, tryFixUnknownUniques)
+            uniqueValidator.checkUniques(unit, lines, true, tryFixUnknownUniques)
         }
     }