diff --git a/build.gradle b/build.gradle
index 4da106fad..01f3e4d68 100644
--- a/build.gradle
+++ b/build.gradle
@@ -22,8 +22,11 @@ version = "2.0.0"
 group= "li.cil.oc" // http://maven.apache.org/guides/mini/guide-naming-conventions.html
 archivesBaseName = "OpenComputers"
 
+if (System.getenv("BUILD_NUMBER") != null)
+    version += "-dev${System.getenv("BUILD_NUMBER")}"
+
 minecraft {
-    version = "1.7.2-10.12.0.1024"
+    version = "1.7.2-10.12.0.1028"
     assetDir = "eclipse/assets"
 }
 processResources
diff --git a/src/main/scala/li/cil/oc/server/component/FileSystem.scala b/src/main/scala/li/cil/oc/server/component/FileSystem.scala
index 74e924955..e0a74e23a 100644
--- a/src/main/scala/li/cil/oc/server/component/FileSystem.scala
+++ b/src/main/scala/li/cil/oc/server/component/FileSystem.scala
@@ -237,7 +237,7 @@ class FileSystem(val fileSystem: IFileSystem, var label: Label) extends ManagedC
       val address = ownerNbt.getString("address")
       if (address != "") {
         // Was tag list in 1.6, so wee need to check this when upgrading.
-        if (ownerNbt.getTag("handles").getId == NBT.TAG_INT_ARRAY) {
+        if (ownerNbt.hasKey("handles", NBT.TAG_INT_ARRAY)) {
           owners += address -> ownerNbt.getIntArray("handles").to[mutable.Set]
         }
       }