diff --git a/core/src/mindustry/ctype/UnlockableContent.java b/core/src/mindustry/ctype/UnlockableContent.java
index b557bbaf89..c45f076061 100644
--- a/core/src/mindustry/ctype/UnlockableContent.java
+++ b/core/src/mindustry/ctype/UnlockableContent.java
@@ -149,9 +149,17 @@ public abstract class UnlockableContent extends MappableContent{
         }
     }
 
+    public boolean unlockedNowHost(){
+        if(!state.isCampaign()) return true;
+        return net != null && net.client() ?
+            alwaysUnlocked || state.rules.researched.contains(name) :
+            unlocked || alwaysUnlocked;
+    }
+
     public boolean unlocked(){
-        if(net != null && net.client()) return alwaysUnlocked || state.rules.researched.contains(name);
-        return unlocked || alwaysUnlocked;
+        return net != null && net.client() ?
+            alwaysUnlocked || unlocked || state.rules.researched.contains(name) :
+            unlocked || alwaysUnlocked;
     }
 
     /** Locks this content again. */
diff --git a/core/src/mindustry/world/blocks/ConstructBlock.java b/core/src/mindustry/world/blocks/ConstructBlock.java
index 63f66a9afa..9113a840a1 100644
--- a/core/src/mindustry/world/blocks/ConstructBlock.java
+++ b/core/src/mindustry/world/blocks/ConstructBlock.java
@@ -302,7 +302,7 @@ public class ConstructBlock extends Block{
                 int accumulated = (int)(accumulator[i]); //get amount
 
                 if(clampedAmount > 0 && accumulated > 0){ //if it's positive, add it to the core
-                    if(core != null && requirements[i].item.unlockedNow()){ //only accept items that are unlocked
+                    if(core != null && requirements[i].item.unlockedNowHost()){ //only accept items that are unlocked
                         int accepting = Math.min(accumulated, core.storageCapacity - core.items.get(requirements[i].item));
                         //transfer items directly, as this is not production.
                         core.items.add(requirements[i].item, accepting);
diff --git a/core/src/mindustry/world/blocks/units/Reconstructor.java b/core/src/mindustry/world/blocks/units/Reconstructor.java
index b8ee614f50..0d84db2fb5 100644
--- a/core/src/mindustry/world/blocks/units/Reconstructor.java
+++ b/core/src/mindustry/world/blocks/units/Reconstructor.java
@@ -126,7 +126,7 @@ public class Reconstructor extends UnitBlock{
             var upgrade = upgrade(pay.unit.type);
 
             if(upgrade != null){
-                if(!upgrade.unlockedNow()){
+                if(!upgrade.unlockedNowHost()){
                     //flash "not researched"
                     pay.showOverlay(Icon.tree);
                 }
@@ -137,7 +137,7 @@ public class Reconstructor extends UnitBlock{
                 }
             }
 
-            return upgrade != null && upgrade.unlockedNow() && !upgrade.isBanned();
+            return upgrade != null && upgrade.unlockedNowHost() && !upgrade.isBanned();
         }
 
         @Override
@@ -232,7 +232,7 @@ public class Reconstructor extends UnitBlock{
             if(payload == null) return null;
 
             UnitType t = upgrade(payload.unit.type);
-            return t != null && t.unlockedNow() ? t : null;
+            return t != null && t.unlockedNowHost() ? t : null;
         }
 
         public boolean constructing(){
@@ -241,7 +241,7 @@ public class Reconstructor extends UnitBlock{
 
         public boolean hasUpgrade(UnitType type){
             UnitType t = upgrade(type);
-            return t != null && t.unlockedNow() && !type.isBanned();
+            return t != null && t.unlockedNowHost() && !type.isBanned();
         }
 
         public UnitType upgrade(UnitType type){