diff --git a/compiler/semdata.nim b/compiler/semdata.nim
index 0fc000051c..4710d7c0d6 100644
--- a/compiler/semdata.nim
+++ b/compiler/semdata.nim
@@ -741,7 +741,7 @@ proc replaceHookMagic*(c: PContext, n: PNode, kind: TTypeAttachedOp): PNode =
   case kind
   of attachedDestructor:
     result = n
-    let t = n[1].typ.skipTypes(abstractVar)
+    let t = n[1].typ.skipTypes({tyAlias, tyVar, tySink})
     let op = getAttachedOp(c.graph, t, attachedDestructor)
     if op != nil:
       result[0] = newSymNode(op)
@@ -753,13 +753,13 @@ proc replaceHookMagic*(c: PContext, n: PNode, kind: TTypeAttachedOp): PNode =
           result[1] = skipAddr(n[1])
   of attachedTrace:
     result = n
-    let t = n[1].typ.skipTypes(abstractVar)
+    let t = n[1].typ.skipTypes({tyAlias, tyVar, tySink})
     let op = getAttachedOp(c.graph, t, attachedTrace)
     if op != nil:
       result[0] = newSymNode(op)
   of attachedDup:
     result = n
-    let t = n[1].typ.skipTypes(abstractVar)
+    let t = n[1].typ.skipTypes({tyAlias, tyVar, tySink})
     let op = getAttachedOp(c.graph, t, attachedDup)
     if op != nil:
       result[0] = newSymNode(op)
@@ -769,7 +769,7 @@ proc replaceHookMagic*(c: PContext, n: PNode, kind: TTypeAttachedOp): PNode =
         result.add boolLit
   of attachedWasMoved:
     result = n
-    let t = n[1].typ.skipTypes(abstractVar)
+    let t = n[1].typ.skipTypes({tyAlias, tyVar, tySink})
     let op = getAttachedOp(c.graph, t, attachedWasMoved)
     if op != nil:
       result[0] = newSymNode(op)
@@ -780,7 +780,7 @@ proc replaceHookMagic*(c: PContext, n: PNode, kind: TTypeAttachedOp): PNode =
     result = c.semAsgnOpr(c, n, nkAsgn)
   of attachedDeepCopy:
     result = n
-    let t = n[1].typ.skipTypes(abstractVar)
+    let t = n[1].typ.skipTypes({tyAlias, tyVar, tySink})
     let op = getAttachedOp(c.graph, t, kind)
     if op != nil:
       result[0] = newSymNode(op)
diff --git a/compiler/sempass2.nim b/compiler/sempass2.nim
index 91ade858e9..35901ed960 100644
--- a/compiler/sempass2.nim
+++ b/compiler/sempass2.nim
@@ -1164,7 +1164,7 @@ proc trackCall(tracked: PEffects; n: PNode) =
     var (isHook, opKind) = findHookKind(a.sym.name.s)
     if isHook:
       # rebind type bounds operations after createTypeBoundOps call
-      let t = n[1].typ.skipTypes({tyAlias, tyVar})
+      let t = n[1].typ.skipTypes({tyAlias, tyVar, tySink})
       if a.sym != getAttachedOp(tracked.graph, t, opKind):
         createTypeBoundOps(tracked, t, n.info, explicit = true)
         # replace builtin hooks with lifted ones