diff --git a/development/autotests/invertedTests b/development/autotests/invertedTests
index 4f14b53d20..8d477e0e50 100644
--- a/development/autotests/invertedTests
+++ b/development/autotests/invertedTests
@@ -457,6 +457,8 @@ export/export/latex/languages/supported-languages_(|babel|babel_auto-legacy|poly
 # - EmbeddedObjects: this document is too complex, with captions within tables, many LaTeX parameters when including
 #   a file, uncaptioned tables in the same float, etc.
 export/doc(|/de|/es|/fr|/ja)/EmbeddedObjects_docbook5
+# - Math: formula in inline tag, formula with two references (only one xml:id allowed per <equation> tag).
+export/doc(|/de|/es|/fr|/ja|/ru)/Math_docbook5
 
 Sublabel: docbook poster
 # Posters cannot be properly exported, the LyX documents are too far from