diff --git a/libavcodec/eatqi.c b/libavcodec/eatqi.c
index 864291a95c..2c92d5027d 100644
--- a/libavcodec/eatqi.c
+++ b/libavcodec/eatqi.c
@@ -93,7 +93,7 @@ static inline void tqi_idct_put(TqiContext *t, AVFrame *frame, int16_t (*block)[
 
 static void tqi_calculate_qtable(MpegEncContext *s, int quant)
 {
-    const int qscale = (215 - 2*quant)*5;
+    const int64_t qscale = (215 - 2*quant)*5;
     int i;
     s->intra_matrix[0] = (ff_inv_aanscales[0]*ff_mpeg1_default_intra_matrix[0])>>11;
     for(i=1; i<64; i++)