Fixed #709

core/src/io/anuke/mindustry/entities/type/BaseUnit.java

@@ -35,6 +35,7 @@ public abstract class BaseUnit extends Unit implements ShooterTrait{
     protected static final int timerShootLeft = timerIndex++;
     protected static final int timerShootRight = timerIndex++;
 
+    protected boolean loaded;
     protected UnitType type;
     protected Interval timer = new Interval(5);
     protected StateMachine state = new StateMachine();
@@ -338,7 +339,9 @@ public abstract class BaseUnit extends Unit implements ShooterTrait{
     public void added(){
         state.set(getStartState());
 
-        health(maxHealth());
+        if(!loaded){
+            health(maxHealth());
+        }
 
         if(isCommanded()){
             onCommand(getCommand());
@@ -375,6 +378,7 @@ public abstract class BaseUnit extends Unit implements ShooterTrait{
     @Override
     public void readSave(DataInput stream, byte version) throws IOException{
         super.readSave(stream, version);
+        loaded = true;
         byte type = stream.readByte();
         this.spawner = stream.readInt();