diff --git a/libavcodec/ppc/h264qpel_template.c b/libavcodec/ppc/h264qpel_template.c
index e3c09ba5c8..9a345485ba 100644
--- a/libavcodec/ppc/h264qpel_template.c
+++ b/libavcodec/ppc/h264qpel_template.c
@@ -18,7 +18,11 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
+#include "config.h"
+#if HAVE_UNISTD_H
 #include <unistd.h>
+#endif
+
 #include "libavutil/mem.h"
 #include "libavutil/ppc/types_altivec.h"
 #include "libavutil/ppc/util_altivec.h"