diff --git a/libavcodec/aacpsy.c b/libavcodec/aacpsy.c
index 6c6e573e90cd375c4b4d08b0df4bb8016ffa00f2..ac58968ab3f97134820ee2b320c4371a92766a10 100644
--- a/libavcodec/aacpsy.c
+++ b/libavcodec/aacpsy.c
@@ -307,7 +307,7 @@ static av_cold int psy_3gpp_init(FFPsyContext *ctx) {
     ctx->bitres.size   = 6144 - pctx->frame_bits;
     ctx->bitres.size  -= ctx->bitres.size % 8;
     pctx->fill_level   = ctx->bitres.size;
-    minath = ath(3410, ATH_ADD);
+    minath = ath(3410 - 0.733 * ATH_ADD, ATH_ADD);
     for (j = 0; j < 2; j++) {
         AacPsyCoeffs *coeffs = pctx->psy_coef[j];
         const uint8_t *band_sizes = ctx->bands[j];