diff --git a/libavdevice/v4l.c b/libavdevice/v4l.c
index 03694e8155..b58de94738 100644
--- a/libavdevice/v4l.c
+++ b/libavdevice/v4l.c
@@ -19,6 +19,7 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
+#undef __STRICT_ANSI__ //workaround due to broken kernel headers
 #include "config.h"
 #include "libavformat/avformat.h"
 #include "libavcodec/dsputil.h"
diff --git a/libavdevice/v4l2.c b/libavdevice/v4l2.c
index 81875f6b54..818366a715 100644
--- a/libavdevice/v4l2.c
+++ b/libavdevice/v4l2.c
@@ -27,6 +27,7 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
+#undef __STRICT_ANSI__ //workaround due to broken kernel headers
 #include "config.h"
 #include "libavformat/avformat.h"
 #include <unistd.h>