diff --git a/libavcodec/ac3enc.c b/libavcodec/ac3enc.c
index 18e4dae26a53026700761b8a8b1b3cc02d8a9de7..a869d7de9dcc5769177752827e647774219ec07f 100644
--- a/libavcodec/ac3enc.c
+++ b/libavcodec/ac3enc.c
@@ -1192,7 +1192,7 @@ static int compute_bit_allocation(AC3EncodeContext *s)
  */
 static inline int sym_quant(int c, int e, int levels)
 {
-    int v = ((((levels * c) >> (24 - e)) + 1) >> 1) + (levels >> 1);
+    int v = (((levels * c) >> (24 - e)) + levels) >> 1;
     av_assert2(v >= 0 && v < levels);
     return v;
 }