diff --git a/media-libs/xine-lib/xine-lib-1.2.13-r2.ebuild b/media-libs/xine-lib/xine-lib-1.2.13-r2.ebuild
index e7612a609de70..e114a3cafad54 100644
--- a/media-libs/xine-lib/xine-lib-1.2.13-r2.ebuild
+++ b/media-libs/xine-lib/xine-lib-1.2.13-r2.ebuild
@@ -143,6 +143,9 @@ src_prepare() {
 }
 
 src_configure() {
+	# bug #944147
+	append-flags -std=gnu17
+
 	[[ ${CHOST} == i?86-* ]] && append-flags -fomit-frame-pointer #422519
 
 	local win32dir #197236
diff --git a/media-libs/xine-lib/xine-lib-1.2.9999.ebuild b/media-libs/xine-lib/xine-lib-1.2.9999.ebuild
index 4215104fe58ce..4a3c08267509b 100644
--- a/media-libs/xine-lib/xine-lib-1.2.9999.ebuild
+++ b/media-libs/xine-lib/xine-lib-1.2.9999.ebuild
@@ -139,6 +139,9 @@ src_prepare() {
 }
 
 src_configure() {
+	# bug #944147
+	append-flags -std=gnu17
+
 	[[ ${CHOST} == i?86-* ]] && append-flags -fomit-frame-pointer #422519
 
 	local win32dir #197236