diff --git a/sci-libs/med/med-5.0.0.ebuild b/sci-libs/med/med-5.0.0.ebuild
index a83933f4f7e9a..ab235019e0e00 100644
--- a/sci-libs/med/med-5.0.0.ebuild
+++ b/sci-libs/med/med-5.0.0.ebuild
@@ -50,7 +50,7 @@ src_prepare() {
 		-i CMakeLists.txt || die "fix doc path failed"
 
 	# bug #862900, already reported upstream. CHECK on updates!
-	filter-lto
+	use fortran && filter-lto
 
 	cmake_src_prepare
 }