diff --git a/core/src/com/unciv/logic/civilization/managers/TechManager.kt b/core/src/com/unciv/logic/civilization/managers/TechManager.kt
index de78a9ab81..0f28bc4df6 100644
--- a/core/src/com/unciv/logic/civilization/managers/TechManager.kt
+++ b/core/src/com/unciv/logic/civilization/managers/TechManager.kt
@@ -97,10 +97,7 @@ class TechManager : IsPartOfGameInfoSerialization {
 
     fun getNumberOfTechsResearched(): Int = techsResearched.size
 
-    fun getOverflowScience(techName: String): Int {
-        return if (overflowScience == 0) 0
-            else (getScienceModifier(techName) * overflowScience).toInt()
-    }
+    fun getOverflowScience(): Int = overflowScience
 
     private fun getScienceModifier(techName: String): Float { // https://forums.civfanatics.com/threads/the-mechanics-of-overflow-inflation.517970/
         val numberOfCivsResearchedThisTech = civInfo.getKnownCivs()
@@ -140,7 +137,7 @@ class TechManager : IsPartOfGameInfoSerialization {
     // Was once duplicated as fun scienceSpentOnTech(tech: String): Int
 
     fun remainingScienceToTech(techName: String): Int {
-        val spareScience = if (canBeResearched(techName)) getOverflowScience(techName) else 0
+        val spareScience = if (canBeResearched(techName)) getOverflowScience() else 0
         return costOfTech(techName) - researchOfTech(techName) - spareScience
     }
 
@@ -253,7 +250,7 @@ class TechManager : IsPartOfGameInfoSerialization {
                 NotificationIcon.Science)
         }
         if (overflowScience != 0) {
-            finalScienceToAdd += getOverflowScience(currentTechnologyName()!!)
+            finalScienceToAdd += getOverflowScience()
             overflowScience = 0
         }
 
@@ -279,7 +276,7 @@ class TechManager : IsPartOfGameInfoSerialization {
      */
     fun updateResearchProgress() {
         val currentTechnology = currentTechnologyName() ?: return
-        val realOverflow = getOverflowScience(currentTechnology)
+        val realOverflow = getOverflowScience()
         val scienceSpent = researchOfTech(currentTechnology) + realOverflow
         if (scienceSpent >= costOfTech(currentTechnology)) {
             overflowScience = 0
diff --git a/core/src/com/unciv/ui/screens/pickerscreens/TechPickerScreen.kt b/core/src/com/unciv/ui/screens/pickerscreens/TechPickerScreen.kt
index f25093999c..9eec08f6bd 100644
--- a/core/src/com/unciv/ui/screens/pickerscreens/TechPickerScreen.kt
+++ b/core/src/com/unciv/ui/screens/pickerscreens/TechPickerScreen.kt
@@ -442,7 +442,7 @@ class TechPickerScreen(
     }
 
     private fun getTechProgressLabel(techs: List<String>): String {
-        val progress = techs.sumOf { tech -> civTech.researchOfTech(tech) } + civTech.getOverflowScience(techs.first())
+        val progress = techs.sumOf { tech -> civTech.researchOfTech(tech) } + civTech.getOverflowScience()
         val techCost = techs.sumOf { tech -> civInfo.tech.costOfTech(tech) }
         return "(${progress}/${techCost})"
     }