diff --git a/core/src/io/anuke/mindustry/world/blocks/defense/MendProjector.java b/core/src/io/anuke/mindustry/world/blocks/defense/MendProjector.java
index 885ff05c36..00a447740d 100644
--- a/core/src/io/anuke/mindustry/world/blocks/defense/MendProjector.java
+++ b/core/src/io/anuke/mindustry/world/blocks/defense/MendProjector.java
@@ -83,7 +83,7 @@ public class MendProjector extends Block{
 
             for(int x = -tileRange + tile.x; x <= tileRange + tile.x; x++){
                 for(int y = -tileRange + tile.y; y <= tileRange + tile.y; y++){
-                    if(Mathf.dst(x, y, tile.x, tile.y) > realRange) continue;
+                    if(Mathf.dst(x, y, tile.x, tile.y) > tileRange) continue;
 
                     Tile other = world.tile(x, y);
 
@@ -125,7 +125,7 @@ public class MendProjector extends Block{
 
         Draw.alpha(1f);
         Lines.stroke((2f  * f + 0.2f)* entity.heat);
-        Lines.circle(tile.drawx(), tile.drawy(), (1f-f) * 9f);
+        Lines.circle(tile.drawx(), tile.drawy(), ((1f-f) * 8f) * size/2f);
 
         Draw.reset();
     }
diff --git a/server/src/io/anuke/mindustry/server/ServerControl.java b/server/src/io/anuke/mindustry/server/ServerControl.java
index 9888cb6468..6b5664fe0d 100644
--- a/server/src/io/anuke/mindustry/server/ServerControl.java
+++ b/server/src/io/anuke/mindustry/server/ServerControl.java
@@ -5,7 +5,6 @@ import io.anuke.arc.Core;
 import io.anuke.arc.Events;
 import io.anuke.arc.collection.Array;
 import io.anuke.arc.collection.ObjectSet;
-import io.anuke.mindustry.entities.Effects;
 import io.anuke.arc.files.FileHandle;
 import io.anuke.arc.util.*;
 import io.anuke.arc.util.CommandHandler.Command;
@@ -13,6 +12,7 @@ import io.anuke.arc.util.CommandHandler.Response;
 import io.anuke.arc.util.CommandHandler.ResponseType;
 import io.anuke.arc.util.Timer.Task;
 import io.anuke.mindustry.core.GameState.State;
+import io.anuke.mindustry.entities.Effects;
 import io.anuke.mindustry.entities.type.Player;
 import io.anuke.mindustry.game.*;
 import io.anuke.mindustry.game.EventType.GameOverEvent;
@@ -308,7 +308,7 @@ public class ServerControl implements ApplicationListener{
 
         handler.register("difficulty", "<difficulty>", "Set game difficulty.", arg -> {
             try{
-                state.rules.waveSpacing = Difficulty.valueOf(arg[0]).waveTime;
+                state.rules.waveSpacing = Difficulty.valueOf(arg[0]).waveTime * 60 * 60 * 2;
                 info("Difficulty set to '{0}'.", arg[0]);
             }catch(IllegalArgumentException e){
                 err("No difficulty with name '{0}' found.", arg[0]);
@@ -692,6 +692,7 @@ public class ServerControl implements ApplicationListener{
             info("&lcOpened a server on port {0}.", Core.settings.getInt("port"));
         }catch(BindException e){
             Log.err("Unable to host: Port already in use! Make sure no other servers are running on the same port in your network.");
+            state.set(State.menu);
         }catch(IOException e){
             err(e);
             state.set(State.menu);