diff --git a/package/flex/flex.mk b/package/flex/flex.mk
index 6ce768c318..52a15ca497 100644
--- a/package/flex/flex.mk
+++ b/package/flex/flex.mk
@@ -9,6 +9,7 @@ FLEX_SITE = https://github.com/westes/flex/files/981163
 FLEX_INSTALL_STAGING = YES
 FLEX_LICENSE = FLEX
 FLEX_LICENSE_FILES = COPYING
+FLEX_CPE_ID_VALID = YES
 FLEX_DEPENDENCIES = $(TARGET_NLS_DEPENDENCIES) host-m4
 HOST_FLEX_DEPENDENCIES = host-m4