diff --git a/core/src/mindustry/logic/LAssembler.java b/core/src/mindustry/logic/LAssembler.java
index 8af2c4e87f..a73ca077c6 100644
--- a/core/src/mindustry/logic/LAssembler.java
+++ b/core/src/mindustry/logic/LAssembler.java
@@ -121,7 +121,9 @@ public class LAssembler{
         if(vars.containsKey(name)){
             return vars.get(name);
         }else{
+            //variables are null objects by default
             LVar var = new LVar(name);
+            var.isobj = true;
             vars.put(name, var);
             return var;
         }
diff --git a/gradle.properties b/gradle.properties
index 17ec33f127..ba4f2e7402 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -26,4 +26,4 @@ org.gradle.caching=true
 org.gradle.internal.http.socketTimeout=100000
 org.gradle.internal.http.connectionTimeout=100000
 android.enableR8.fullMode=false
-archash=aafecc8a29125e70255e6cdb34a92690531d1a57
+archash=aafecc8a29