diff --git a/libavcodec/motion_test.c b/libavcodec/motion_test.c
index fbd296a305..f16321dd10 100644
--- a/libavcodec/motion_test.c
+++ b/libavcodec/motion_test.c
@@ -33,6 +33,8 @@
 
 #include "i386/mmx.h"
 
+#undef printf
+
 int pix_abs16x16_mmx(uint8_t *blk1, uint8_t *blk2, int lx);
 int pix_abs16x16_mmx1(uint8_t *blk1, uint8_t *blk2, int lx);
 int pix_abs16x16_x2_mmx(uint8_t *blk1, uint8_t *blk2, int lx);