diff --git a/lib/system/seqs_v2.nim b/lib/system/seqs_v2.nim
index 9aa4e71b98..efc2919fd4 100644
--- a/lib/system/seqs_v2.nim
+++ b/lib/system/seqs_v2.nim
@@ -102,7 +102,7 @@ proc grow*[T](x: var seq[T]; newLen: Natural; value: T) =
   for i in oldLen .. newLen-1:
     xu.p.data[i] = value
 
-proc add*[T](x: var seq[T]; value: sink T) {.magic: "AppendSeqElem", noSideEffect, nodestroy.} =
+proc add*[T](x: var seq[T]; y: sink T) {.magic: "AppendSeqElem", noSideEffect, nodestroy.} =
   ## Generic proc for adding a data item `y` to a container `x`.
   ##
   ## For containers that have an order, `add` means *append*. New generic
@@ -119,7 +119,7 @@ proc add*[T](x: var seq[T]; value: sink T) {.magic: "AppendSeqElem", noSideEffec
     # copyMem(). This is fine as know by construction that
     # in `xu.p.data[oldLen]` there is nothing to destroy.
     # We also save the `wasMoved + destroy` pair for the sink parameter.
-    xu.p.data[oldLen] = value
+    xu.p.data[oldLen] = y
 
 proc setLen[T](s: var seq[T], newlen: Natural) =
   {.noSideEffect.}: