diff --git a/package/tmux/tmux.mk b/package/tmux/tmux.mk
index 00e77ad762..17e1da5607 100644
--- a/package/tmux/tmux.mk
+++ b/package/tmux/tmux.mk
@@ -8,6 +8,7 @@ TMUX_VERSION = 2.9a
 TMUX_SITE = https://github.com/tmux/tmux/releases/download/$(TMUX_VERSION)
 TMUX_LICENSE = ISC
 TMUX_LICENSE_FILES = COPYING
+TMUX_CPE_ID_VALID = YES
 TMUX_DEPENDENCIES = libevent ncurses host-pkgconf
 
 # 0001-Do-not-write-after-the-end-of-the-array-and-overwrit.patch