diff --git a/src/main/scala/li/cil/oc/server/machine/Machine.scala b/src/main/scala/li/cil/oc/server/machine/Machine.scala
index febf43a44..51f1bdb88 100644
--- a/src/main/scala/li/cil/oc/server/machine/Machine.scala
+++ b/src/main/scala/li/cil/oc/server/machine/Machine.scala
@@ -1027,7 +1027,7 @@ object Machine extends MachineAPI {
         architecture.getConstructor(classOf[machine.Machine])
       }
       catch {
-        case t: Throwable => throw new IllegalArgumentException("Architecture does not have required constructor.")
+        case t: Throwable => throw new IllegalArgumentException("Architecture does not have required constructor.", t)
       }
       checked += architecture
     }