diff --git a/src/main/resources/assets/opencomputers/loot/OpenOS/boot/10_devfs.lua b/src/main/resources/assets/opencomputers/loot/OpenOS/boot/10_devfs.lua
index 22f1fd779..0da8de199 100644
--- a/src/main/resources/assets/opencomputers/loot/OpenOS/boot/10_devfs.lua
+++ b/src/main/resources/assets/opencomputers/loot/OpenOS/boot/10_devfs.lua
@@ -1,6 +1,6 @@
 require("filesystem").mount(
 setmetatable({
-  isReadOnly = function()return true end
+  isReadOnly = function()return false end
 },
 {
   __index=function(tbl,key)return require("devfs")[key]end
diff --git a/src/main/resources/assets/opencomputers/loot/OpenOS/lib/devfs.lua b/src/main/resources/assets/opencomputers/loot/OpenOS/lib/devfs.lua
index 3291eaf2a..bee88b701 100644
--- a/src/main/resources/assets/opencomputers/loot/OpenOS/lib/devfs.lua
+++ b/src/main/resources/assets/opencomputers/loot/OpenOS/lib/devfs.lua
@@ -12,10 +12,6 @@ function proxy.setLabel(value)
   error("drive does not support labeling")
 end
 
-function proxy.isReadOnly()
-  return false
-end
-
 function proxy.spaceTotal()
   return 0
 end