diff --git a/gdb/testsuite/ChangeLog b/gdb/testsuite/ChangeLog
index 335ecff614..d440f85712 100644
--- a/gdb/testsuite/ChangeLog
+++ b/gdb/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2012-12-07  Joel Brobecker  <brobecker@adacore.com>
+
+	* gdb.ada/lang_switch.exp: The "msg" parameter may be a reference.
+
 2012-12-06  Pedro Alves  <palves@redhat.com>
 	    Tom Tromey  <tromey@redhat.com>
 
diff --git a/gdb/testsuite/gdb.ada/lang_switch.exp b/gdb/testsuite/gdb.ada/lang_switch.exp
index 6ee4c238a8..a217d2e6e3 100644
--- a/gdb/testsuite/gdb.ada/lang_switch.exp
+++ b/gdb/testsuite/gdb.ada/lang_switch.exp
@@ -42,6 +42,5 @@ gdb_test "bt" \
 # if the current language is not "auto".
 gdb_test "set lang c"
 gdb_test "bt" \
-         ".*#1.*lang_switch\\.ada_procedure\\s*\\(msg={.*\\).*" \
-         "backtrace"
-
+         ".*#1.*lang_switch\\.ada_procedure\\s*\\(msg=(@$hex: +)?{.*\\).*" \
+         "backtrace with lang set to C"