diff --git a/sci-physics/xfoil/xfoil-6.97-r1.ebuild b/sci-physics/xfoil/xfoil-6.97-r1.ebuild
index 4582882797f99..80e95dc414c79 100644
--- a/sci-physics/xfoil/xfoil-6.97-r1.ebuild
+++ b/sci-physics/xfoil/xfoil-6.97-r1.ebuild
@@ -1,9 +1,9 @@
-# Copyright 1999-2016 Gentoo Foundation
+# Copyright 1999-2020 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=6
 
-inherit fortran-2
+inherit fortran-2 toolchain-funcs
 
 DESCRIPTION="Design and analysis of subsonic isolated airfoils"
 HOMEPAGE="http://raphael.mit.edu/xfoil/"
diff --git a/sci-physics/xfoil/xfoil-6.99.ebuild b/sci-physics/xfoil/xfoil-6.99.ebuild
index ab0b383ef9904..8826b940814c4 100644
--- a/sci-physics/xfoil/xfoil-6.99.ebuild
+++ b/sci-physics/xfoil/xfoil-6.99.ebuild
@@ -1,9 +1,9 @@
-# Copyright 1999-2017 Gentoo Foundation
+# Copyright 1999-2020 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=6
 
-inherit fortran-2
+inherit fortran-2 toolchain-funcs
 
 DESCRIPTION="Design and analysis of subsonic isolated airfoils"
 HOMEPAGE="http://raphael.mit.edu/xfoil/"