diff --git a/build.gradle b/build.gradle
index e90f4c7aa..99d6f1158 100644
--- a/build.gradle
+++ b/build.gradle
@@ -26,11 +26,14 @@ file "build.properties" withReader {
 
 version = "${config.oc.version}"
 group = "li.cil.oc"
-archivesBaseName = "OpenComputers-MC${config.minecraft.version}"
+archivesBaseName = "OpenComputers"
 
 if (System.getenv("BUILD_NUMBER") != null)
     version += ".${System.getenv("BUILD_NUMBER")}"
 
+ext.simpleVersion = version
+version = "MC${config.minecraft.version}-${project.version}"
+
 apply from: 'gradle/forge.gradle'
 apply from: 'gradle/artifact.gradle'
 apply from: 'gradle/release.gradle'
diff --git a/gradle/artifact.gradle b/gradle/artifact.gradle
index d7f429c94..628ada98f 100644
--- a/gradle/artifact.gradle
+++ b/gradle/artifact.gradle
@@ -1,7 +1,8 @@
 jar {
     classifier = 'universal'
     manifest {
-        attributes FMLCorePlugin: "li.cil.oc.common.launch.TransformerLoader", FMLCorePluginContainsFMLMod: "true"
+        attributes FMLCorePlugin: "li.cil.oc.common.launch.TransformerLoader"
+        attributes FMLCorePluginContainsFMLMod: "true"
     }
 }
 
@@ -9,6 +10,10 @@ jar {
 task deobfJar(type: Jar) {
     from sourceSets.main.output
     classifier = 'deobf'
+    manifest {
+        attributes FMLCorePlugin: "li.cil.oc.common.launch.TransformerLoader"
+        attributes FMLCorePluginContainsFMLMod: "true"
+    }
 }
 
 task apiJar(type: Jar) {
diff --git a/gradle/forge.gradle b/gradle/forge.gradle
index dfc911707..155027373 100644
--- a/gradle/forge.gradle
+++ b/gradle/forge.gradle
@@ -20,7 +20,7 @@ minecraft {
 processResources {
     from(sourceSets.main.resources.srcDirs) {
         include 'mcmod/info'
-        expand 'version':project.version, 'mcversion':config.minecraft.version
+        expand 'version': project.simpleVersion, 'mcversion': config.minecraft.version
     }
     from(sourceSets.main.resources.srcDirs) {
         exclude 'mcmod.info'
diff --git a/gradle/release.gradle b/gradle/release.gradle
index 08b82d859..9c7607807 100644
--- a/gradle/release.gradle
+++ b/gradle/release.gradle
@@ -3,7 +3,6 @@ apply plugin: 'maven-publish'
 publishing {
     publications {
         mavenJava(MavenPublication) {
-            version "MC${minecraft.version}-${project.version}"
             artifact apiJar
             artifact deobfJar
         }
diff --git a/src/main/scala/li/cil/oc/common/asm/ClassTransformer.scala b/src/main/scala/li/cil/oc/common/asm/ClassTransformer.scala
index 26d597b21..e97e4fbe9 100644
--- a/src/main/scala/li/cil/oc/common/asm/ClassTransformer.scala
+++ b/src/main/scala/li/cil/oc/common/asm/ClassTransformer.scala
@@ -134,7 +134,9 @@ class ClassTransformer extends IClassTransformer {
   val tileEntityName = FMLDeobfuscatingRemapper.INSTANCE.map("net.minecraft.tileentity.TileEntity").replace('.', '/')
 
   def isTileEntity(classNode: ClassNode): Boolean = {
-    classNode.name != "java/lang/Object" && (classNode.name == tileEntityName || isTileEntity(classNodeFor(classNode.superName)))
+    classNode != null && classNode.name != "java/lang/Object" &&
+      (classNode.name == tileEntityName || classNode.superName == tileEntityName ||
+        isTileEntity(classNodeFor(classNode.superName)))
   }
 
   def classNodeFor(name: String) = newClassNode(loader.getClassBytes(name.replace('/', '.')))
diff --git a/src/main/scala/li/cil/oc/server/component/machine/Machine.scala b/src/main/scala/li/cil/oc/server/component/machine/Machine.scala
index ef50e89a5..8b2d58be7 100644
--- a/src/main/scala/li/cil/oc/server/component/machine/Machine.scala
+++ b/src/main/scala/li/cil/oc/server/component/machine/Machine.scala
@@ -1,28 +1,30 @@
 package li.cil.oc.server.component.machine
 
+import java.io
 import java.lang.reflect.Constructor
+import java.util.concurrent.Callable
 import java.util.logging.Level
 import li.cil.oc.api.detail.MachineAPI
-import li.cil.oc.api.{fs, machine, FileSystem, Network}
 import li.cil.oc.api.machine.{LimitReachedException, Architecture, Owner, ExecutionResult}
 import li.cil.oc.api.network._
+import li.cil.oc.api.{fs, machine, FileSystem, Network}
 import li.cil.oc.common.tileentity
 import li.cil.oc.server
-import li.cil.oc.server.PacketSender
-import li.cil.oc.server.fs.CompositeReadOnlyFileSystem
 import li.cil.oc.server.component.ManagedComponent
+import li.cil.oc.server.fs.CompositeReadOnlyFileSystem
+import li.cil.oc.server.PacketSender
 import li.cil.oc.util.ExtendedNBT._
 import li.cil.oc.util.ThreadPoolFactory
 import li.cil.oc.{OpenComputers, Settings}
 import net.minecraft.client.Minecraft
 import net.minecraft.entity.player.EntityPlayer
 import net.minecraft.nbt._
-import net.minecraft.server.MinecraftServer
 import net.minecraft.server.integrated.IntegratedServer
+import net.minecraft.server.MinecraftServer
+import net.minecraftforge.common.DimensionManager
 import net.minecraftforge.common.util.Constants.NBT
 import scala.Array.canBuildFrom
 import scala.collection.mutable
-import java.util.concurrent.Callable
 
 class Machine(val owner: Owner, val rom: Option[ManagedEnvironment], constructor: Constructor[_ <: Architecture]) extends ManagedComponent with machine.Machine with Runnable {
   val node = Network.newNode(this, Visibility.Network).
@@ -806,9 +808,24 @@ object Machine extends MachineAPI {
 
   override def create(owner: Owner, architecture: Class[_ <: Architecture]) = {
     add(architecture)
-    new Machine(owner,
-      Option(FileSystem.asManagedEnvironment(new CompositeReadOnlyFileSystem(roms(architecture)), "rom")),
+    val rom = new CompositeReadOnlyFileSystem(roms(architecture))
+    val instance = new Machine(owner,
+      Option(FileSystem.asManagedEnvironment(rom, "rom")),
       architecture.getConstructor(classOf[machine.Machine]))
+    val romPath = "rom/" + instance.architecture.name
+    try {
+      val path = new io.File(DimensionManager.getCurrentSaveRootDirectory, Settings.savePath + romPath)
+      if ((path.exists || path.mkdirs()) && path.isDirectory && !rom.parts.contains(romPath)) {
+        rom.parts += romPath -> FileSystem.fromSaveDirectory(romPath, 0, false)
+  }
+      else {
+        OpenComputers.log.warning(s"Failed mounting user ROM override '$romPath'. It is either not a directory or another mod registered a ROM resource with that name.")
+      }
+    }
+    catch {
+      case t: Throwable => OpenComputers.log.log(Level.WARNING, s"Failed mounting user ROM override '$romPath'.", t)
+    }
+    instance
   }
 
   /** Possible states of the computer, and in particular its executor. */
diff --git a/src/main/scala/li/cil/oc/server/fs/CompositeReadOnlyFileSystem.scala b/src/main/scala/li/cil/oc/server/fs/CompositeReadOnlyFileSystem.scala
index ec3e11e64..8f1783f81 100644
--- a/src/main/scala/li/cil/oc/server/fs/CompositeReadOnlyFileSystem.scala
+++ b/src/main/scala/li/cil/oc/server/fs/CompositeReadOnlyFileSystem.scala
@@ -1,12 +1,12 @@
 package li.cil.oc.server.fs
 
+import java.io.FileNotFoundException
+import java.util.concurrent.Callable
 import li.cil.oc.api
 import li.cil.oc.api.fs.Mode
 import li.cil.oc.util.ExtendedNBT._
 import net.minecraft.nbt.NBTTagCompound
 import scala.collection.mutable
-import java.io.FileNotFoundException
-import java.util.concurrent.Callable
 
 class CompositeReadOnlyFileSystem(factories: mutable.LinkedHashMap[String, Callable[api.fs.FileSystem]]) extends api.fs.FileSystem {
   var parts = mutable.LinkedHashMap.empty[String, api.fs.FileSystem]
@@ -35,7 +35,16 @@ class CompositeReadOnlyFileSystem(factories: mutable.LinkedHashMap[String, Calla
 
   override def lastModified(path: String) = findFileSystem(path).fold(0L)(_.lastModified(path))
 
-  override def list(path: String) = findFileSystem(path).fold(null: Array[String])(_.list(path))
+  override def list(path: String) = parts.values.foldLeft(Array.empty[String])((acc, fs) => {
+    if (fs.exists(path)) try {
+      val l = fs.list(path)
+      if (l != null) acc ++ l else acc
+    }
+    catch {
+      case _: Throwable => acc
+    }
+    else acc
+  })
 
   // ----------------------------------------------------------------------- //