diff --git a/fftools/ffprobe.c b/fftools/ffprobe.c
index 9b7e82fd8c..99adf615ae 100644
--- a/fftools/ffprobe.c
+++ b/fftools/ffprobe.c
@@ -2893,7 +2893,7 @@ static int read_interval_packets(WriterContext *w, InputFile *ifile,
     }
     av_packet_unref(pkt);
     //Flush remaining frames that are cached in the decoder
-    for (i = 0; i < fmt_ctx->nb_streams; i++) {
+    for (i = 0; i < ifile->nb_streams; i++) {
         pkt->stream_index = i;
         if (do_read_frames) {
             while (process_frame(w, ifile, frame, pkt, &(int){1}) > 0);