diff --git a/libavcodec/imgconvert.c b/libavcodec/imgconvert.c
index d1f9bbac0b..c64d56b729 100644
--- a/libavcodec/imgconvert.c
+++ b/libavcodec/imgconvert.c
@@ -2855,9 +2855,7 @@ int avpicture_deinterlace(AVPicture *dst, const AVPicture *src,
                                         width, height);
         }
     }
-#ifdef HAVE_MMX
-    emms();
-#endif
+    emms_c();
     return 0;
 }