diff --git a/core/src/mindustry/world/blocks/storage/CoreBlock.java b/core/src/mindustry/world/blocks/storage/CoreBlock.java
index 7052195c78..47d70253ac 100644
--- a/core/src/mindustry/world/blocks/storage/CoreBlock.java
+++ b/core/src/mindustry/world/blocks/storage/CoreBlock.java
@@ -600,7 +600,7 @@ public class CoreBlock extends StorageBlock{
             }
 
             //add a spawn to the map for future reference - waves should be disabled, so it shouldn't matter
-            if(state.isCampaign() && team == state.rules.waveTeam && team.cores().size <= 1 && state.rules.sector.planet.enemyCoreSpawnReplace){
+            if(state.isCampaign() && team == state.rules.waveTeam && team.cores().size <= 1 && spawner.getSpawns().size == 0 && state.rules.sector.planet.enemyCoreSpawnReplace){
                 //do not recache
                 tile.setOverlayQuiet(Blocks.spawn);