diff --git a/libavcodec/eatqi.c b/libavcodec/eatqi.c
index 66123a2..4e43f95 100644
--- a/libavcodec/eatqi.c
+++ b/libavcodec/eatqi.c
@@ -40,6 +40,7 @@
     AVFrame frame;
     uint8_t *bitstream_buf;
     unsigned int bitstream_buf_size;
+    DECLARE_ALIGNED_16(DCTELEM, block[6][64]);
 } TqiContext;
 
 static av_cold int tqi_decode_init(AVCodecContext *avctx)
@@ -106,7 +107,6 @@
     const uint8_t *buf_end = buf+buf_size;
     TqiContext *t = avctx->priv_data;
     MpegEncContext *s = &t->s;
-    DECLARE_ALIGNED_16(DCTELEM, block[6][64]);
 
     s->width  = AV_RL16(&buf[0]);
     s->height = AV_RL16(&buf[2]);
@@ -134,8 +134,8 @@
     for (s->mb_y=0; s->mb_y<(avctx->height+15)/16; s->mb_y++)
     for (s->mb_x=0; s->mb_x<(avctx->width+15)/16; s->mb_x++)
     {
-        tqi_decode_mb(s, block);
-        tqi_idct_put(t, block);
+        tqi_decode_mb(s, t->block);
+        tqi_idct_put(t, t->block);
     }
 
     *data_size = sizeof(AVFrame);