diff --git a/libavcodec/diracdec.c b/libavcodec/diracdec.c
index 30b4bfad79..a1e759f656 100644
--- a/libavcodec/diracdec.c
+++ b/libavcodec/diracdec.c
@@ -685,7 +685,10 @@ static int decode_component(DiracContext *s, int comp)
                 }
                 align_get_bits(&s->gb);
                 b->coeff_data = s->gb.buffer + get_bits_count(&s->gb)/8;
-                b->length = FFMIN(b->length, FFMAX(get_bits_left(&s->gb)/8, 0));
+                if (b->length > FFMAX(get_bits_left(&s->gb)/8, 0)) {
+                    b->length = FFMAX(get_bits_left(&s->gb)/8, 0);
+                    damaged_count ++;
+                }
                 skip_bits_long(&s->gb, b->length*8);
             }
         }