diff --git a/fml/src/main/java/cpw/mods/fml/client/GuiOldSaveLoadConfirm.java b/fml/src/main/java/cpw/mods/fml/client/GuiOldSaveLoadConfirm.java
index 426daa06b..f684347fe 100644
--- a/fml/src/main/java/cpw/mods/fml/client/GuiOldSaveLoadConfirm.java
+++ b/fml/src/main/java/cpw/mods/fml/client/GuiOldSaveLoadConfirm.java
@@ -27,7 +27,7 @@ public class GuiOldSaveLoadConfirm extends GuiYesNo {
         super(parent, "", "", 0);
         this.dirName = dirName;
         this.saveName = saveName;
-        this.zip = new File(FMLClientHandler.instance().getClient().mcDataDir,String.format("%s-%2$td%2$tm%2$ty%2$tH%2$tM%2$tS.zip", saveName, System.currentTimeMillis()));
+        this.zip = new File(FMLClientHandler.instance().getClient().mcDataDir,String.format("%s-%2$td%2$tm%2$ty%2$tH%2$tM%2$tS.zip", dirName, System.currentTimeMillis()));
     }
     @Override
     public void drawScreen(int p_73863_1_, int p_73863_2_, float p_73863_3_)
diff --git a/fml/src/main/java/cpw/mods/fml/common/ZipperUtil.java b/fml/src/main/java/cpw/mods/fml/common/ZipperUtil.java
index 0dfaefff8..a92a3c32c 100644
--- a/fml/src/main/java/cpw/mods/fml/common/ZipperUtil.java
+++ b/fml/src/main/java/cpw/mods/fml/common/ZipperUtil.java
@@ -64,24 +64,20 @@ public class ZipperUtil {
     public static void backupWorld() throws IOException
     {
         String dirName = FMLCommonHandler.instance().getMinecraftServerInstance().getFolderName();
-        String saveName;
 
-        if (FMLCommonHandler.instance().getSide().isClient())
-        {
-            saveName = FMLCommonHandler.instance().getMinecraftServerInstance().getWorldName();
-        }
-        else
-        {
-            saveName = dirName;
-        }
-
-        backupWorld(dirName, saveName);
+        backupWorld(dirName);
     }
 
+    @Deprecated
     public static void backupWorld(String dirName, String saveName) throws IOException
+    {
+        backupWorld(dirName);
+    }
+
+    public static void backupWorld(String dirName) throws IOException
     {
         File dstFolder = FMLCommonHandler.instance().getSavesDirectory();
-        File zip = new File(dstFolder, String.format("%s-%2$tY%2$tm%2$td-%2$tH%2$tM%2$tS.zip", saveName, System.currentTimeMillis()));
+        File zip = new File(dstFolder, String.format("%s-%2$tY%2$tm%2$td-%2$tH%2$tM%2$tS.zip", dirName, System.currentTimeMillis()));
 
         try
         {
diff --git a/fml/src/main/java/cpw/mods/fml/common/registry/GameData.java b/fml/src/main/java/cpw/mods/fml/common/registry/GameData.java
index 5f679c400..9d17d1ea0 100644
--- a/fml/src/main/java/cpw/mods/fml/common/registry/GameData.java
+++ b/fml/src/main/java/cpw/mods/fml/common/registry/GameData.java
@@ -687,7 +687,7 @@ public class GameData {
 
     private GameData()
     {
-        iBlockRegistry = new FMLControlledNamespacedRegistry<Block>("air", MAX_BLOCK_ID, MIN_BLOCK_ID, Block.class,'\u0001');
+        iBlockRegistry = new FMLControlledNamespacedRegistry<Block>("minecraft:air", MAX_BLOCK_ID, MIN_BLOCK_ID, Block.class,'\u0001');
         iItemRegistry = new FMLControlledNamespacedRegistry<Item>(null, MAX_ITEM_ID, MIN_ITEM_ID, Item.class,'\u0002');
         availabilityMap = new BitSet(MAX_ITEM_ID + 1);
         blockedIds = new HashSet<Integer>();