diff --git a/Ports/gnucobol/package.sh b/Ports/gnucobol/package.sh
index 5aff56a676..ec28f4448f 100755
--- a/Ports/gnucobol/package.sh
+++ b/Ports/gnucobol/package.sh
@@ -3,6 +3,7 @@ port=gnucobol
 version=3.1.2
 useconfigure="true"
 use_fresh_config_sub="true"
+config_sub_path=build_aux/config.sub
 depends=("gmp" "gcc" "bash" "ncurses")
 files="https://ftpmirror.gnu.org/gnu/gnucobol/gnucobol-${version}.tar.bz2 gnucobol-${version}.tar.bz2
 https://ftpmirror.gnu.org/gnu/gnucobol/gnucobol-${version}.tar.bz2.sig gnucobol-${version}.tar.bz2.sig