diff --git a/.htmltest.yaml b/.htmltest.yaml
index 1563408b..52eedee5 100644
--- a/.htmltest.yaml
+++ b/.htmltest.yaml
@@ -4,3 +4,4 @@
 IgnoreDirectoryMissingTrailingSlash: true
 DirectoryPath: spec
 CheckExternal: false
+IgnoreInternalEmptyHash: true