diff --git a/package/flex/flex.mk b/package/flex/flex.mk
index 0c1ed5a..b1963f9 100644
--- a/package/flex/flex.mk
+++ b/package/flex/flex.mk
@@ -11,6 +11,8 @@ FLEX_PATCH = flex_$(FLEX_VERSION)-$(FLEX_PATCH_VERSION).diff.gz
 FLEX_SITE = $(BR2_DEBIAN_MIRROR)/debian/pool/main/f/flex
 FLEX_DIR = $(BUILD_DIR)/flex-$(FLEX_VERSION)
 FLEX_INSTALL_STAGING = YES
+FLEX_LICENSE = FLEX
+FLEX_LICENSE_FILES = COPYING
 FLEX_DEPENDENCIES = \
 	$(if $(BR2_PACKAGE_GETTEXT),gettext)
 # we don't have a host-gettext/libintl