diff --git a/net-libs/xdp-tools/xdp-tools-1.4.3.ebuild b/net-libs/xdp-tools/xdp-tools-1.4.3.ebuild
index 6861f5e2c9699..4a8225a808b20 100644
--- a/net-libs/xdp-tools/xdp-tools-1.4.3.ebuild
+++ b/net-libs/xdp-tools/xdp-tools-1.4.3.ebuild
@@ -25,6 +25,7 @@ RDEPEND="${DEPEND}"
 BDEPEND="
 	sys-apps/grep[pcre]
 	>=sys-devel/clang-11.0.0
+	sys-devel/m4
 "
 
 # Not prebuilt -- we build them -- but they're not ordinary ELF objects either.