diff --git a/package/docker/docker.mk b/package/docker/docker.mk
index 255860b75c..9a9d26bb85 100644
--- a/package/docker/docker.mk
+++ b/package/docker/docker.mk
@@ -8,6 +8,10 @@ DOCKER_VERSION = 1.5
 DOCKER_SITE = http://icculus.org/openbox/2/docker
 DOCKER_DEPENDENCIES = host-pkgconf libglib2 xlib_libX11
 
+DOCKER_LICENSE = GPLv2+
+# The 'or later' is specified at the end of the README, so include that one too.
+DOCKER_LICENSE_FILES = COPYING README
+
 define DOCKER_BUILD_CMDS
 	$(TARGET_CONFIGURE_OPTS) $(TARGET_MAKE_ENV) $(MAKE) -C $(@D) \
 		XLIBPATH=$(STAGING_DIR)/usr/lib