diff --git a/src/mdbx.c b/src/mdbx.c
index f5825df9..223279c0 100644
--- a/src/mdbx.c
+++ b/src/mdbx.c
@@ -4349,11 +4349,12 @@ retry:
       if (unlikely(chunk > left)) {
         mdbx_trace("%s: chunk %u > left %u, @%" PRIaTXN, dbg_prefix_mode, chunk,
                    left, fill_gc_id);
-        chunk = left;
-        if (loop < 3) {
-          mc.mc_flags ^= C_GCFREEZE;
+        if (loop < 5 || chunk - left > env->me_maxgc_ov1page) {
           data.iov_len = (left + 1) * sizeof(pgno_t);
+          if (loop < 21)
+            mc.mc_flags -= C_GCFREEZE;
         }
+        chunk = left;
       }
       rc = mdbx_cursor_put(&mc, &key, &data, MDBX_CURRENT | MDBX_RESERVE);
       mc.mc_flags &= ~(C_RECLAIMING | C_GCFREEZE);
diff --git a/src/tools/mdbx_chk.c b/src/tools/mdbx_chk.c
index d11bef54..ca6c56fa 100644
--- a/src/tools/mdbx_chk.c
+++ b/src/tools/mdbx_chk.c
@@ -420,10 +420,10 @@ static int handle_freedb(const uint64_t record_number, const MDBX_val *key,
                   "%" PRIuSIZE " > %" PRIuSIZE " (corruption)",
                   (number + 1) * sizeof(pgno_t), data->iov_len);
       number = data->iov_len / sizeof(pgno_t) - 1;
-    } else if (data->iov_len - (number + 1) * sizeof(pgno_t) >
-               /* LY: allow gap upto half of page. it is ok
+    } else if (data->iov_len - (number + 1) * sizeof(pgno_t) >=
+               /* LY: allow gap upto one page. it is ok
                 * and better than shink-and-retry inside mdbx_update_gc() */
-               envstat.ms_psize / 2)
+               envstat.ms_psize)
       problem_add("entry", record_number, "extra idl space",
                   "%" PRIuSIZE " < %" PRIuSIZE " (minor, not a trouble)",
                   (number + 1) * sizeof(pgno_t), data->iov_len);