diff --git a/srcpkgs/ecm/template b/srcpkgs/ecm/template
index 0e89c695d6..f0c0f130eb 100644
--- a/srcpkgs/ecm/template
+++ b/srcpkgs/ecm/template
@@ -4,6 +4,7 @@ version=7.0.4
 revision=2
 build_style=gnu-configure
 configure_args="--enable-shared --enable-openmp"
+hostmakedepends="m4"
 makedepends="gmp-devel libgomp-devel"
 short_desc="Elliptic Curve Method for Integer Factorization"
 maintainer="Leah Neukirchen <leah@vuxu.org>"