diff --git a/sci-astronomy/montage/montage-4.1.ebuild b/sci-astronomy/montage/montage-4.1.ebuild
index 37e1207594211..a887d9e59a475 100644
--- a/sci-astronomy/montage/montage-4.1.ebuild
+++ b/sci-astronomy/montage/montage-4.1.ebuild
@@ -52,7 +52,7 @@ src_prepare() {
 	if use mpi; then
 		sed -e 's:# MPICC:MPICC:' \
 			-e 's:# BINS:BINS:' \
-			-i Montage/Makefile || die
+			-i Montage/Makefile.* || die
 	fi
 }