diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 03ae010e86a..90644d8a6ec 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,7 @@
+2015-12-11  Andrew Burgess  <andrew.burgess@embecosm.com>
+
+	* source.c (lines_to_list): Make static.
+
 2015-12-10  Antoine Tremblay  <antoine.tremblay@ericsson.com>
 
 	* linux-thread-db.c (find_new_threads_callback): Use record_thread.
diff --git a/gdb/source.c b/gdb/source.c
index 8358033786a..e5412bdae5d 100644
--- a/gdb/source.c
+++ b/gdb/source.c
@@ -95,7 +95,7 @@ static struct program_space *current_source_pspace;
    and friends should be rewritten to count characters and see where
    things are wrapping, but that would be a fair amount of work.  */
 
-int lines_to_list = 10;
+static int lines_to_list = 10;
 static void
 show_lines_to_list (struct ui_file *file, int from_tty,
 		    struct cmd_list_element *c, const char *value)