diff --git a/qemu-sockets.c b/qemu-sockets.c
index 2ae715db769be449f8ee9cb0ed4924a1fb7369ae..668fa932941499cdefdf2657da7927233af680a4 100644
--- a/qemu-sockets.c
+++ b/qemu-sockets.c
@@ -11,6 +11,9 @@
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  *  GNU General Public License for more details.
+ *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
  */
 #include <stdio.h>
 #include <stdlib.h>