diff --git a/li/cil/oc/common/tileentity/BundledRedstoneAware.scala b/li/cil/oc/common/tileentity/BundledRedstoneAware.scala
index 460e68fe4..f7f5424f0 100644
--- a/li/cil/oc/common/tileentity/BundledRedstoneAware.scala
+++ b/li/cil/oc/common/tileentity/BundledRedstoneAware.scala
@@ -29,7 +29,7 @@ trait BundledRedstoneAware extends RedstoneAware with IBundledEmitter with IBund
 
   override def isOutputEnabled_=(value: Boolean) = {
     if (value != isOutputEnabled) {
-      if (!isOutputEnabled) {
+      if (!value) {
         for (i <- 0 until _bundledOutput.length) {
           for (j <- 0 until _bundledOutput(i).length) {
             _bundledOutput(i)(j) = 0
diff --git a/li/cil/oc/common/tileentity/RedstoneAware.scala b/li/cil/oc/common/tileentity/RedstoneAware.scala
index aaad9bba5..4af0585ca 100644
--- a/li/cil/oc/common/tileentity/RedstoneAware.scala
+++ b/li/cil/oc/common/tileentity/RedstoneAware.scala
@@ -31,7 +31,7 @@ trait RedstoneAware extends RotationAware with network.Environment with Persista
   def isOutputEnabled_=(value: Boolean) = {
     if (value != isOutputEnabled) {
       _isOutputEnabled = value
-      if (!isOutputEnabled) {
+      if (!value) {
         for (i <- 0 until _output.length) {
           _output(i) = 0
         }