diff --git a/lib/examples/Articles/Astronomy_%26_Astrophysics.lyx b/lib/examples/Articles/Astronomy_%26_Astrophysics.lyx
index b9a4f3df49..f9fa83faab 100644
--- a/lib/examples/Articles/Astronomy_%26_Astrophysics.lyx
+++ b/lib/examples/Articles/Astronomy_%26_Astrophysics.lyx
@@ -5,6 +5,15 @@
 \save_transient_properties true
 \origin /systemlyxdir/examples/Articles/
 \textclass aa
+\begin_preamble
+% work around bug in the class
+% see https://tex.stackexchange.com/questions/690753
+\usepackage[colorlinks=true,
+            linkcolor=blue,
+            citecolor=blue,
+            filecolor=blue,
+            urlcolor=blue]{hyperref}
+\end_preamble
 \use_default_options true
 \maintain_unincluded_children no
 \language english
@@ -30,6 +39,8 @@
 \output_sync 0
 \bibtex_command bibtex
 \index_command default
+\float_placement class
+\float_alignment class
 \paperfontsize default
 \spacing single
 \use_hyperref false
@@ -54,6 +65,7 @@
 \suppress_date false
 \justification true
 \use_refstyle 0
+\use_formatted_ref 0
 \use_minted 0
 \use_lineno 0
 \index Index