diff --git a/libavutil/lzo.c b/libavutil/lzo.c
index 02d7bbfb0b..83fa9bfbaf 100644
--- a/libavutil/lzo.c
+++ b/libavutil/lzo.c
@@ -18,6 +18,8 @@
  * License along with FFmpeg; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
+
+#include "avutil.h"
 #include "common.h"
 //! Avoid e.g. MPlayers fast_memcpy, it slows things down here.
 #undef memcpy