diff --git a/lib/python/skin.py b/lib/python/skin.py
index 9e5075289d6..d5aa1c386bf 100644
--- a/lib/python/skin.py
+++ b/lib/python/skin.py
@@ -1969,6 +1969,9 @@ def collectAttributes(self, node, context, ignore=(), excludeItemIndexes=None, i
 			return []
 		if itemIndex and excludeItemIndexes and itemIndex in excludeItemIndexes:
 			return []
+		if pos == "fill":
+			pos = "0,0"
+			size = f"{context.w},{context.h}"
 		if pos is not None:
 			pos, size = context.parse(pos, size, None)
 			skinAttributes.append(("position", pos))
@@ -1995,7 +1998,11 @@ def processPanel(self, widget, context, excludeItemIndexes=None, includeItemInde
 			print(f"[TemplateParser] processPanel DEBUG: Position={widget.attrib.get("position")}, Size={widget.attrib.get("size")}.")
 			print(f"[TemplateParser] processPanel DEBUG: Parent x={context.x}, width={context.w}.")
 		position = widget.attrib.get("position")
-		if "left" in position or "right" in position:
+		if position == "fill":
+			position = [0, 0]
+			widget.attrib["position"] = "0,0"
+			widget.attrib["size"] = f"{context.w},{context.h}"
+		elif "left" in position or "right" in position:
 			pos = position.split(",")
 			top = 0
 			if len(pos) == 2 and pos[0] in ("left", "right") and pos[1].isdigit():