diff --git a/core/src/io/anuke/mindustry/maps/Map.java b/core/src/io/anuke/mindustry/maps/Map.java
index 378f3c8ff6..8d9f63a04c 100644
--- a/core/src/io/anuke/mindustry/maps/Map.java
+++ b/core/src/io/anuke/mindustry/maps/Map.java
@@ -181,12 +181,14 @@ public class Map implements Comparable<Map>, Publishable{
 
     @Override
     public FileHandle createSteamFolder(String id){
-        return null;
+        FileHandle mapFile = tmpDirectory.child("map_" + id).child("map.msav");
+        file.copyTo(mapFile);
+        return mapFile.parent();
     }
 
     @Override
     public FileHandle createSteamPreview(String id){
-        return null;
+        return previewFile();
     }
 
     @Override
diff --git a/core/src/io/anuke/mindustry/world/blocks/production/Drill.java b/core/src/io/anuke/mindustry/world/blocks/production/Drill.java
index a70ef2ba12..5e528a1416 100644
--- a/core/src/io/anuke/mindustry/world/blocks/production/Drill.java
+++ b/core/src/io/anuke/mindustry/world/blocks/production/Drill.java
@@ -194,7 +194,9 @@ public class Drill extends Block{
         });
 
         stats.add(BlockStat.drillSpeed, 60f / drillTime * size * size, StatUnit.itemsSecond);
-        stats.add(BlockStat.boostEffect, liquidBoostIntensity, StatUnit.timesSpeed);
+        if(liquidBoostIntensity > 0){
+            stats.add(BlockStat.boostEffect, liquidBoostIntensity * liquidBoostIntensity, StatUnit.timesSpeed);
+        }
     }
 
     void countOre(Tile tile){