diff --git a/core/src/com/unciv/ui/worldscreen/unit/UnitActions.kt b/core/src/com/unciv/ui/worldscreen/unit/UnitActions.kt
index 88107d03dd..7f9ad351a9 100644
--- a/core/src/com/unciv/ui/worldscreen/unit/UnitActions.kt
+++ b/core/src/com/unciv/ui/worldscreen/unit/UnitActions.kt
@@ -398,6 +398,7 @@ object UnitActions {
             val otherCiv = tile.getOwner()
             if (otherCiv != null) {
                 // decrease relations for -10 pt/tile
+                if(!otherCiv.knows(unit.civInfo)) otherCiv.meetCivilization(unit.civInfo)
                 otherCiv.getDiplomacyManager(unit.civInfo).addModifier(DiplomaticModifiers.StealingTerritory, -10f)
                 notifications.add(otherCiv)
             }