diff --git a/core/src/com/unciv/ui/screens/mapeditorscreen/tabs/MapEditorGenerateTab.kt b/core/src/com/unciv/ui/screens/mapeditorscreen/tabs/MapEditorGenerateTab.kt
index 63e8966451..1b160bf21c 100644
--- a/core/src/com/unciv/ui/screens/mapeditorscreen/tabs/MapEditorGenerateTab.kt
+++ b/core/src/com/unciv/ui/screens/mapeditorscreen/tabs/MapEditorGenerateTab.kt
@@ -66,7 +66,10 @@ class MapEditorGenerateTab(
     }
 
     private fun generate(step: MapGeneratorSteps) {
-        if (step <= MapGeneratorSteps.Landmass && step in seedUsedForStep) {
+        if (step == MapGeneratorSteps.All && newTab.mapParametersTable.randomizeSeed) {
+            newTab.mapParametersTable.reseed()
+        }
+        if (step == MapGeneratorSteps.Landmass && step in seedUsedForStep) {
             // reseed visibly when starting from scratch (new seed shows in advanced settings widget)
             newTab.mapParametersTable.reseed()
             seedUsedForStep -= step
@@ -92,7 +95,7 @@ class MapEditorGenerateTab(
 
         if (step in seedUsedForStep) {
             mapParameters.reseed()
-        } else {
+        } else if (step != MapGeneratorSteps.All){
             seedUsedForStep += step
         }
 
diff --git a/core/src/com/unciv/ui/screens/newgamescreen/MapParametersTable.kt b/core/src/com/unciv/ui/screens/newgamescreen/MapParametersTable.kt
index 4c5b019131..c8d8cca16b 100644
--- a/core/src/com/unciv/ui/screens/newgamescreen/MapParametersTable.kt
+++ b/core/src/com/unciv/ui/screens/newgamescreen/MapParametersTable.kt
@@ -68,6 +68,9 @@ class MapParametersTable(
     // overrides nor is a Widget a data class. Seems to work anyway.
     private val advancedSliders = HashMap<UncivSlider, ()->Float>()
 
+    // used only in map editor (forMapEditor == true)
+    var randomizeSeed = true
+
     init {
         update()
     }
@@ -386,6 +389,17 @@ class MapParametersTable(
                 table.add(button).colspan(2).padTop(10f).row()
         }
 
+        fun addCheckBox(text: String, initialState: Boolean, action: ((Boolean) -> Unit)) {
+            val checkbox = text.toCheckBox(initialState){
+                action(it)
+            }
+            table.add(checkbox).colspan(2).row()
+        }
+        if (forMapEditor) {
+            addCheckBox("Randomize seed", true) {
+                randomizeSeed = it
+            }
+        }
         addSlider("Map Elevation", {mapParameters.elevationExponent}, 0.6f, 0.8f)
         { mapParameters.elevationExponent = it }