diff --git a/core/src/com/unciv/logic/civilization/CivilizationInfo.kt b/core/src/com/unciv/logic/civilization/CivilizationInfo.kt
index 53f1d2edd2..c09e894c33 100644
--- a/core/src/com/unciv/logic/civilization/CivilizationInfo.kt
+++ b/core/src/com/unciv/logic/civilization/CivilizationInfo.kt
@@ -753,7 +753,7 @@ class CivilizationInfo {
         addNotification( "[${givingCityState.civName}] gave us a [${giftedUnit.name}] as a gift!", locations, givingCityState.civName, giftedUnit.name)
     }
 
-    fun turnsForGreatPersonFromCityState(): Int = (40 + -2 + Random().nextInt(5)) * gameInfo.gameParameters.gameSpeed.modifier.toInt()
+    fun turnsForGreatPersonFromCityState(): Int = ((40 + -2 + Random().nextInt(5)) * gameInfo.gameParameters.gameSpeed.modifier).toInt()
         // There seems to be some randomness in the amount of turns between receiving each great person,
         // but I have no idea what the actual lower and upper bound are, so this is just an approximation