diff --git a/li/cil/oc/Settings.scala b/li/cil/oc/Settings.scala
index e4f4d5d6a..0403bbb4a 100644
--- a/li/cil/oc/Settings.scala
+++ b/li/cil/oc/Settings.scala
@@ -106,7 +106,7 @@ class Settings(config: Config) {
       OpenComputers.log.warning("Bad number of HDD sizes, ignoring.")
       Array(2048, 4096, 8192)
   }
-
+  val floppySize = config.getInt("filesystem.floppySize") max 0
   val maxHandles = config.getInt("filesystem.maxHandles") max 0
   val maxReadBuffer = config.getInt("filesystem.maxReadBuffer") max 0
 
diff --git a/li/cil/oc/server/driver/item/FileSystem.scala b/li/cil/oc/server/driver/item/FileSystem.scala
index 82efb0ec4..50cfc0273 100644
--- a/li/cil/oc/server/driver/item/FileSystem.scala
+++ b/li/cil/oc/server/driver/item/FileSystem.scala
@@ -31,7 +31,7 @@ object FileSystem extends Item {
       }
     } else Items.multi.subItem(stack) match {
       case Some(hdd: HardDiskDrive) => createEnvironment(stack, hdd.kiloBytes * 1024)
-      case Some(disk: Disk) => createEnvironment(stack, 512 * 1024)
+      case Some(disk: Disk) => createEnvironment(stack, Settings.get.floppySize * 1024)
       case _ => null
     }
 
diff --git a/reference.conf b/reference.conf
index cbb4a127d..e029f3699 100644
--- a/reference.conf
+++ b/reference.conf
@@ -377,6 +377,9 @@ opencomputers {
           8192
       ]
 
+      # The size of writable floppy disks, in kilobytes.
+      floppySize: 512
+
       # The maximum number of file handles any single computer may have open at
       # a time. Note that this is *per filesystem*. Also note that this is only
       # enforced by the filesystem node - if an add-on decides to be fancy it