diff --git a/development/autotests/invertedTests b/development/autotests/invertedTests
index 072e4200f1..d470b8a6f8 100644
--- a/development/autotests/invertedTests
+++ b/development/autotests/invertedTests
@@ -58,6 +58,13 @@ export/export/latex/iconv-error-nomenclature_pdf2
 #
 check_load/templates/acmart
 
+# "beamer" lyx2lyx fails sometimes for versions < 2.1
+# Back-conversion results in some layouts without name ("\begin_layout \n")
+# which trigger a warning message leading to test failure.
+export/examples/(|de/|fr/|ja/)beamer_lyx(16|20)
+export/templates/.*beamer-conference-ornate-20min_lyx(16|20)
+export/examples/beamerlyxexample1_lyx(16|20)
+
 
 # input encoding tests
 # --------------------