diff --git a/speaker_driver.lua b/speaker_driver.lua
index b6c4f93..ef4c954 100644
--- a/speaker_driver.lua
+++ b/speaker_driver.lua
@@ -29,8 +29,8 @@ end
 
 local function playSound(speaker, fileName)
 
-    local fileStream = fs.ope(getFileName(fileName), "r")
-    local data = fileName.readAll()
+    local fileStream = fs.open(getFileName(fileName), "r")
+    local data = fileStream.readAll()
     local speakers = table.pack(peripheral.find("speaker"))
     local tasks = {}