diff --git a/weasyprint/svg/bounding_box.py b/weasyprint/svg/bounding_box.py
index 88344b0ec..bfdc20288 100644
--- a/weasyprint/svg/bounding_box.py
+++ b/weasyprint/svg/bounding_box.py
@@ -19,7 +19,7 @@ def bounding_box(svg, node, font_size):
     if node.tag not in BOUNDING_BOX_METHODS:
         return EMPTY_BOUNDING_BOX
     box = BOUNDING_BOX_METHODS[node.tag](svg, node, font_size)
-    if any(svg.get_paint(node.get('stroke'))):
+    if node.tag != 'g' and any(svg.get_paint(node.get('stroke'))):
         stroke_width = svg.length(node.get('stroke-width', '1px'), font_size)
         box = (
             box[0] - stroke_width / 2, box[1] - stroke_width / 2,