diff --git a/libavcodec/msmpeg4.c b/libavcodec/msmpeg4.c
index b08a8ead23..87866a26d4 100644
--- a/libavcodec/msmpeg4.c
+++ b/libavcodec/msmpeg4.c
@@ -1609,7 +1609,7 @@ int ff_msmpeg4_decode_block(MpegEncContext * s, DCTELEM * block,
                               int n, int coded, const uint8_t *scan_table)
 {
     int level, i, last, run, run_diff;
-    int dc_pred_dir;
+    int av_uninit(dc_pred_dir);
     RLTable *rl;
     RL_VLC_ELEM *rl_vlc;
     int qmul, qadd;