diff --git a/media-libs/xvid/xvid-1.3.7-r2.ebuild b/media-libs/xvid/xvid-1.3.7-r2.ebuild
index e34e6c0c9adbc..5b80dd5ac7a3d 100644
--- a/media-libs/xvid/xvid-1.3.7-r2.ebuild
+++ b/media-libs/xvid/xvid-1.3.7-r2.ebuild
@@ -49,6 +49,9 @@ src_prepare() {
 multilib_src_configure() {
 	use sparc && append-cflags -mno-vis #357149
 
+	# bug #943748
+	append-cflags -std=gnu17
+
 	local myconf=(
 		--enable-pthread
 		# On x86, only available for mmx+sse2 and non-PIC.