diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 03b871239b6..db4e0b146dc 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,7 @@
+2015-01-29  Joel Brobecker  <brobecker@adacore.com>  (tiny patch)
+
+	* symfile.c (unmap_overlay_command): Initialize sec to NULL.
+
 2015-01-27  Doug Evans  <dje@google.com>
 
 	* NEWS: Mention gdb.Objfile.username.
diff --git a/gdb/symfile.c b/gdb/symfile.c
index d55e36186c0..86a758a52cd 100644
--- a/gdb/symfile.c
+++ b/gdb/symfile.c
@@ -3439,7 +3439,7 @@ static void
 unmap_overlay_command (char *args, int from_tty)
 {
   struct objfile *objfile;
-  struct obj_section *sec;
+  struct obj_section *sec = NULL;
 
   if (!overlay_debugging)
     error (_("Overlay debugging not enabled.  "