2 files changed, 8 insertions, 3 deletions
diff --git a/src/main/scala/chisel3/aop/Select.scala b/src/main/scala/chisel3/aop/Select.scala
index 078422bb..2384c4d3 100644
--- a/src/main/scala/chisel3/aop/Select.scala
+++ b/src/main/scala/chisel3/aop/Select.scala
@@ -3,13 +3,16 @@
 package chisel3.aop
 
 import chisel3._
-import chisel3.experimental.{BaseModule, FixedPoint}
-import chisel3.internal.HasId
+import chisel3.internal.{HasId}
+import chisel3.experimental.BaseModule
+import chisel3.experimental.FixedPoint
 import chisel3.internal.firrtl._
+import chisel3.internal.PseudoModule
 import chisel3.internal.BaseModule.ModuleClone
 import firrtl.annotations.ReferenceTarget
 
 import scala.collection.mutable
+import chisel3.internal.naming.chiselName
 
 /** Use to select Chisel components in a module, after that module has been constructed
   * Useful for adding additional Chisel annotations or for use within an [[Aspect]]
@@ -84,7 +87,8 @@ object Select {
     module._component.get match {
       case d: DefModule => d.commands.flatMap {
         case i: DefInstance => i.id match {
-          case _: ModuleClone => None
+          case m: ModuleClone[_] if !m._madeFromDefinition => None
+          case _: PseudoModule => throw new Exception("Aspect APIs are currently incompatible with Definition/Instance")
           case other          => Some(other)
         }
         case _ => None
diff --git a/src/main/scala/chisel3/aop/injecting/InjectingAspect.scala b/src/main/scala/chisel3/aop/injecting/InjectingAspect.scala
index c540fc83..1a476f61 100644
--- a/src/main/scala/chisel3/aop/injecting/InjectingAspect.scala
+++ b/src/main/scala/chisel3/aop/injecting/InjectingAspect.scala
@@ -4,6 +4,7 @@ package chisel3.aop.injecting
 
 import chisel3.{Module, ModuleAspect, RawModule, withClockAndReset}
 import chisel3.aop._
+import chisel3.experimental.hierarchy.IsInstantiable
 import chisel3.internal.{Builder, DynamicContext}
 import chisel3.internal.firrtl.DefModule
 import chisel3.stage.DesignAnnotation