diff --git a/core/src/io/anuke/mindustry/content/blocks/Blocks.java b/core/src/io/anuke/mindustry/content/blocks/Blocks.java
index 101539b893..cce8774a04 100644
--- a/core/src/io/anuke/mindustry/content/blocks/Blocks.java
+++ b/core/src/io/anuke/mindustry/content/blocks/Blocks.java
@@ -16,7 +16,8 @@ import io.anuke.ucore.graphics.Lines;
 import io.anuke.ucore.util.Mathf;
 
 public class Blocks extends BlockList implements ContentList{
-    public static Block air, blockpart, spawn, space, metalfloor, deepwater, water, lava, tar, stone, blackstone, dirt, sand, ice, snow, grass, shrub, rock, icerock, blackrock;
+    public static Block air, blockpart, spawn, space, metalfloor, deepwater, water, lava, tar, stone,
+    blackstone, dirt, sand, ice, snow, grass, shrub, rock, icerock, blackrock;
 
 
     @Override
@@ -90,6 +91,7 @@ public class Blocks extends BlockList implements ContentList{
         }};
 
         lava = new Floor("lava"){{
+            drownTime = 100f;
             liquidColor = Color.valueOf("ed5334");
             speedMultiplier = 0.2f;
             damageTaken = 0.5f;
@@ -103,6 +105,7 @@ public class Blocks extends BlockList implements ContentList{
         }};
 
         tar = new Floor("tar"){{
+            drownTime = 150f;
             liquidColor = Color.valueOf("292929");
             status = StatusEffects.tarred;
             statusIntensity = 1f;
diff --git a/core/src/io/anuke/mindustry/editor/MapEditorDialog.java b/core/src/io/anuke/mindustry/editor/MapEditorDialog.java
index 90d18ac61e..7193b096e4 100644
--- a/core/src/io/anuke/mindustry/editor/MapEditorDialog.java
+++ b/core/src/io/anuke/mindustry/editor/MapEditorDialog.java
@@ -40,7 +40,6 @@ import io.anuke.ucore.util.Mathf;
 import io.anuke.ucore.util.Strings;
 
 import java.io.DataInputStream;
-import java.io.IOException;
 import java.io.InputStream;
 
 import static io.anuke.mindustry.Vars.*;
@@ -171,8 +170,7 @@ public class MapEditorDialog extends Dialog implements Disposable{
             }
         });
 
-        loadDialog = new MapLoadDialog(map -> {
-
+        loadDialog = new MapLoadDialog(map ->
             ui.loadGraphics(() -> {
                 try(DataInputStream stream = new DataInputStream(map.stream.get())){
                     MapMeta meta = MapIO.readMapMeta(stream);
@@ -180,12 +178,11 @@ public class MapEditorDialog extends Dialog implements Disposable{
 
                     editor.beginEdit(data, meta.tags, false);
                     view.clearStack();
-                }catch(IOException e){
+                }catch(Exception e){
                     ui.showError(Bundles.format("text.editor.errormapload", Strings.parseException(e, false)));
                     Log.err(e);
                 }
-            });
-        });
+            }));
 
         setFillParent(true);
 
diff --git a/core/src/io/anuke/mindustry/ui/fragments/PlacementFragment.java b/core/src/io/anuke/mindustry/ui/fragments/PlacementFragment.java
index 7cf712c8f1..378e212125 100644
--- a/core/src/io/anuke/mindustry/ui/fragments/PlacementFragment.java
+++ b/core/src/io/anuke/mindustry/ui/fragments/PlacementFragment.java
@@ -64,7 +64,7 @@ public class PlacementFragment extends Fragment{
     }
 
     boolean gridUpdate(InputHandler input){
-        if(!Inputs.keyDown("gridMode")) return false;
+        if(!Inputs.keyDown("gridMode") || ui.chatfrag.chatOpen()) return false;
         if(Inputs.keyDown("gridModeShift")){ //select category
             int i = 0;
             for(Input key : inputCatGrid){