diff --git a/weasyprint/text/line_break.py b/weasyprint/text/line_break.py
index ed17d0fe..e2943a8c 100644
--- a/weasyprint/text/line_break.py
+++ b/weasyprint/text/line_break.py
@@ -97,7 +97,12 @@ class Layout:
         pango_context = ffi.gc(
             pango.pango_font_map_create_context(font_map),
             gobject.g_object_unref)
-        pango.pango_context_set_round_glyph_positions(pango_context, False)
+        try:
+            pango.pango_context_set_round_glyph_positions(pango_context, False)
+        except AttributeError:
+            # TODO: remove this when Cairo 1.44+ is in Debian 11 is released.
+            # See https://github.com/Kozea/WeasyPrint/issues/1384.
+            pass
         self.layout = ffi.gc(
             pango.pango_layout_new(pango_context),
             gobject.g_object_unref)