diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index a80e564fa8..8a45894e23 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,8 @@
+2010-04-27  Joel Brobecker  <brobecker@adacore.com>
+
+	* symfile.c (init_filename_language_table): Register .dg files
+	with language_ada.
+
 2010-04-27  Joel Brobecker  <brobecker@adacore.com>
 
 	* gdbtypes.h (struct main_type): Expand comment about target_type
diff --git a/gdb/symfile.c b/gdb/symfile.c
index 0528488c3c..a02b2d2a4d 100644
--- a/gdb/symfile.c
+++ b/gdb/symfile.c
@@ -2637,6 +2637,7 @@ init_filename_language_table (void)
       add_filename_language (".ads", language_ada);
       add_filename_language (".a", language_ada);
       add_filename_language (".ada", language_ada);
+      add_filename_language (".dg", language_ada);
     }
 }