diff --git a/core/src/com/unciv/logic/civilization/TechManager.kt b/core/src/com/unciv/logic/civilization/TechManager.kt
index ce0e72c590..3296357fc3 100644
--- a/core/src/com/unciv/logic/civilization/TechManager.kt
+++ b/core/src/com/unciv/logic/civilization/TechManager.kt
@@ -119,6 +119,8 @@ class TechManager {
 
     fun canBeResearched(techName: String): Boolean {
         val tech = getRuleset().technologies[techName]!!
+        if (tech.uniqueObjects.any { it.placeholderText=="Incompatible with []" && isResearched(it.params[0]) })
+            return false
         if (isResearched(tech.name) && !tech.isContinuallyResearchable())
             return false
         return tech.prerequisites.all { isResearched(it) }
@@ -128,7 +130,7 @@ class TechManager {
 
     //endregion
 
-    fun getRequiredTechsToDestination(destinationTech: Technology): List<String> {
+    fun getRequiredTechsToDestination(destinationTech: Technology): List<Technology> {
         val prerequisites = Stack<Technology>()
 
         val checkPrerequisites = ArrayDeque<Technology>()
@@ -146,7 +148,7 @@ class TechManager {
             prerequisites.add(techToCheck)
         }
 
-        return prerequisites.sortedBy { it.column!!.columnNumber }.map { it.name }
+        return prerequisites.sortedBy { it.column!!.columnNumber }
     }
 
     fun getScienceFromGreatScientist(): Int {
diff --git a/core/src/com/unciv/ui/pickerscreens/TechPickerScreen.kt b/core/src/com/unciv/ui/pickerscreens/TechPickerScreen.kt
index adbed70a0c..bf4ac00f80 100644
--- a/core/src/com/unciv/ui/pickerscreens/TechPickerScreen.kt
+++ b/core/src/com/unciv/ui/pickerscreens/TechPickerScreen.kt
@@ -248,10 +248,17 @@ class TechPickerScreen(internal val civInfo: CivilizationInfo, centerOnTech: Tec
             return
         }
 
-
+        val pathToTech = civTech.getRequiredTechsToDestination(tech)
+        for (requiredTech in pathToTech)
+            for (unique in requiredTech.uniqueObjects)
+                if (unique.placeholderText == "Incompatible with []" && civTech.isResearched(unique.params[0])) {
+                    rightSideButton.setText(unique.text.tr())
+                    rightSideButton.disable()
+                    return
+                }
 
         tempTechsToResearch.clear()
-        tempTechsToResearch.addAll(civTech.getRequiredTechsToDestination(tech))
+        tempTechsToResearch.addAll(pathToTech.map { it.name })
 
         pick("Research [${tempTechsToResearch[0]}]".tr())
         setButtonsInfo()