diff --git a/li/cil/oc/server/component/Computer.scala b/li/cil/oc/server/component/Computer.scala
index 833ad330e..c4fcedb65 100644
--- a/li/cil/oc/server/component/Computer.scala
+++ b/li/cil/oc/server/component/Computer.scala
@@ -108,7 +108,12 @@ class Computer(val owner: tileentity.Computer) extends ManagedComponent with Con
 
   def start() = state.synchronized(state.top match {
     case Computer.State.Stopped =>
-      if (owner.installedMemory > 0) {
+      val rules = owner.world.getWorldInfo.getGameRulesInstance
+      if (rules.hasRule("doDaylightCycle") && !rules.getGameRuleBooleanValue("doDaylightCycle")) {
+        crash("computers don't work while time is frozen (gamerule doDaylightCycle is false)")
+        false
+      }
+      else if (owner.installedMemory > 0) {
         if (Settings.get.ignorePower || node.globalBuffer > cost) {
           init() && {
             switchTo(Computer.State.Starting)