diff --git a/libavcodec/apedec.c b/libavcodec/apedec.c
index 86b79182a7..d75a85f466 100644
--- a/libavcodec/apedec.c
+++ b/libavcodec/apedec.c
@@ -1287,7 +1287,7 @@ static void predictor_decode_stereo_3950(APEContext *ctx, int count)
                 int32_t left  = a1 - (unsigned)(a0 / 2);
                 int32_t right = left + (unsigned)a0;
 
-                if (FFMAX(FFABS(left), FFABS(right)) > (1<<23)) {
+                if (FFMIN(FFNABS(left), FFNABS(right)) < -(1<<23)) {
                     ctx->interim_mode = !interim_mode;
                     av_log(ctx->avctx, AV_LOG_VERBOSE, "Interim mode: %d\n", ctx->interim_mode);
                     break;