diff --git a/ultraplot/axes/base.py b/ultraplot/axes/base.py
index 8ad5753d8..cbf9315cb 100644
--- a/ultraplot/axes/base.py
+++ b/ultraplot/axes/base.py
@@ -1699,7 +1699,7 @@ def _parse_frame(guide, fancybox=None, shadow=None, **kwargs):
             alpha=("a", "framealpha", "facealpha"),
             facecolor=("fc", "framecolor", "facecolor"),
             edgecolor=("ec",),
-            edgewidth=("ew",),
+            edgewidth=("ew", "linewidth", "lw"),
         )
         _kw_frame_default = {
             "alpha": f"{guide}.framealpha",