diff --git a/tests/test_renderers/fixtures/sphinx_directives.md b/tests/test_renderers/fixtures/sphinx_directives.md
index 3206370b..fc3341fd 100644
--- a/tests/test_renderers/fixtures/sphinx_directives.md
+++ b/tests/test_renderers/fixtures/sphinx_directives.md
@@ -126,6 +126,19 @@ index (`sphinx.directives.other.Index`):
     <target ids="index-0">
 .
 
+--------------------------------
+index (`sphinx.directives.other.Index`):
+.
+```{index}
+single: Python; Runtime
+single: Julia
+```
+.
+<document source="notset">
+    <index entries="('single',\ 'Python;\ Runtime',\ 'index-0',\ '',\ None) ('single',\ 'Julia',\ 'index-0',\ '',\ None)" inline="False">
+    <target refid="index-0">
+.
+
 --------------------------------
 seealso (`sphinx.directives.other.SeeAlso`):
 .