diff --git a/core/src/mindustry/mod/Scripts.java b/core/src/mindustry/mod/Scripts.java
index 40143c2a3d..2fef2522fb 100644
--- a/core/src/mindustry/mod/Scripts.java
+++ b/core/src/mindustry/mod/Scripts.java
@@ -101,7 +101,7 @@ public class Scripts implements Disposable{
                 context.evaluateString(scope, "modName = \"" + currentMod.name + "\"\nscriptName = \"" + file + "\"", "initscript.js", 1, null);
             }
             context.evaluateString(scope,
-            wrap ? "(function(){\n" + script + "\n})();" : script,
+            wrap ? "(function(){'use strict';\n" + script + "\n})();" : script,
             file, 0, null);
             return true;
         }catch(Throwable t){
diff --git a/core/src/mindustry/world/blocks/distribution/Sorter.java b/core/src/mindustry/world/blocks/distribution/Sorter.java
index 8fa77bb230..32b13be399 100644
--- a/core/src/mindustry/world/blocks/distribution/Sorter.java
+++ b/core/src/mindustry/world/blocks/distribution/Sorter.java
@@ -88,7 +88,7 @@ public class Sorter extends Block{
 
         boolean isSame(Building other){
             //uncomment code below to prevent sorter/gate chaining
-            return other != null && (other.block() instanceof Sorter/* || other.block() instanceof OverflowGate */);
+            return other != null && (other.block() instanceof Sorter || other.block() instanceof OverflowGate);
         }
 
         Building getTileTarget(Item item, Building source, boolean flip){