diff --git a/package/libtommath/libtommath.mk b/package/libtommath/libtommath.mk
index 25d4e836bb..7b5305faf6 100644
--- a/package/libtommath/libtommath.mk
+++ b/package/libtommath/libtommath.mk
@@ -9,6 +9,7 @@ LIBTOMMATH_SITE = https://github.com/libtom/libtommath/releases/download/v$(LIBT
 LIBTOMMATH_SOURCE = ltm-$(LIBTOMMATH_VERSION).tar.xz
 LIBTOMMATH_LICENSE = Unlicense
 LIBTOMMATH_LICENSE_FILES = LICENSE
+LIBTOMMATH_CPE_ID_VENDOR = libtom
 LIBTOMMATH_INSTALL_STAGING = YES
 LIBTOMMATH_INSTALL_TARGET = NO  # only static library