diff --git a/Libraries/LibWeb/CSS/Properties.json b/Libraries/LibWeb/CSS/Properties.json
index 8331e41e0af..e49b63ce66e 100644
--- a/Libraries/LibWeb/CSS/Properties.json
+++ b/Libraries/LibWeb/CSS/Properties.json
@@ -1630,7 +1630,8 @@
   },
   "inline-size": {
     "logical-alias-for": [
-      "width"
+      "width",
+      "height"
     ],
     "initial": "auto",
     "max-values": 1