diff --git a/test/Makefile.am b/test/Makefile.am
index b302bf71c..fcdb40323 100644
--- a/test/Makefile.am
+++ b/test/Makefile.am
@@ -1230,6 +1230,7 @@ REFERENCE_IMAGES = \
 	xcomposite-projection.ref.png \
 	xcomposite-projection.image16.ref.png \
 	xlib-expose-event.ref.png \
+	xlib-expose-event.image16.ref.png \
 	xlib-surface-source.rgb24.ref.png \
 	xlib-surface-source.argb32.ref.png \
 	xlib-surface-source.image16.ref.png \
diff --git a/test/xlib-expose-event.image16.ref.png b/test/xlib-expose-event.image16.ref.png
new file mode 100644
index 000000000..54d5f2673
Binary files /dev/null and b/test/xlib-expose-event.image16.ref.png differ