diff --git a/core/src/com/unciv/logic/civilization/CivilizationInfo.kt b/core/src/com/unciv/logic/civilization/CivilizationInfo.kt
index 1055476158..550e46b52c 100644
--- a/core/src/com/unciv/logic/civilization/CivilizationInfo.kt
+++ b/core/src/com/unciv/logic/civilization/CivilizationInfo.kt
@@ -59,6 +59,7 @@ class CivilizationInfo {
             statsForTurn.culture += statsForTurn.happiness / 2
 
         if (statsForTurn.gold < 0) statsForTurn.science += statsForTurn.gold
+        if(statsForTurn.science<0) statsForTurn.science=0f
         return statsForTurn
     }