diff --git a/src/algo_thunder.c b/src/algo_thunder.c
index ab30314..40d273b 100644
--- a/src/algo_thunder.c
+++ b/src/algo_thunder.c
@@ -180,8 +180,11 @@ release:
 int is_in_order(struct thunder_ctx* thunderc, uint8_t link_id) {
   uint64_t ref = thunderc->received_pkts_on_link[link_id];
   for (int i = 0; i < thunderc->total_links; i++) {
-    uint64_t expected = link_id > i ? ref - 1 : ref;
-    if (thunderc->received_pkts_on_link[i] > expected) return 0;
+    uint64_t expected = link_id >= i ? ref : ref - 1;
+    if (thunderc->received_pkts_on_link[i] > expected) {
+      printf("link_id=%d, i=%d, pkt_i=%ld, pkt_i_expected=%ld, pkt_link_id=%ld\n", link_id, i, thunderc->received_pkts_on_link[i], expected, ref);
+      return 0;
+    }
   }
 
   return 1;
@@ -253,7 +256,7 @@ void classify(struct evt_core_ctx* ctx, struct evt_core_fdinfo* fdinfo, struct b
 
     if (timeout <= 0) {
       on_block(ctx, bi);
-      printf("  Missing Packet - Blocked link %d (expected: %ld, seen: %ld, )\n", i, expected, thunderc->received_pkts_on_link[i]);
+      printf("  Missing Packet - Blocked link %d (expected: %ld, seen: %ld)\n", i, expected, thunderc->received_pkts_on_link[i]);
       continue;
     }