diff --git a/libs/rs.lua b/libs/rs.lua
index 2dcc085..ebb1f87 100644
--- a/libs/rs.lua
+++ b/libs/rs.lua
@@ -30,7 +30,7 @@ rs.createBundledOutput = function(side, initialColorState)
     end
 
     _colorState = newColorState
-    redstone.setBundledOutpout(side, newColorState)
+    redstone.setBundledOutput(side, newColorState)
 
     return true
   end
@@ -44,13 +44,13 @@ rs.createBundledOutput = function(side, initialColorState)
 
   bundledOutput.setOn = function(color)
     local colorState = getState()
-    local newColorState = color.combine(colorState, color)
+    local newColorState = colors.combine(colorState, color)
     return setState(newColorState)
   end
 
   bundledOutput.setOff = function(color)
     local colorState = getState()
-    local newColorState = color.subtract(colorState, color)
+    local newColorState = colors.subtract(colorState, color)
     return setState(newColorState)
   end