diff --git a/test/copy.c++ b/test/copy.c++
index 9ca4fe9c..188fd1b1 100644
--- a/test/copy.c++
+++ b/test/copy.c++
@@ -28,25 +28,29 @@ void testcase_copy::copy_db(const bool with_compaction) {
                                      : "mdbx_env_copy(MDBX_CP_ASIS)",
                      err);
   } else {
-    const bool ro = mode_readonly() || flipcoin();
-    const bool throttle = ro && flipcoin();
-    const bool dynsize = flipcoin();
-    const bool flush = flipcoin();
-    const bool enable_renew = flipcoin();
-    const MDBX_copy_flags_t flags =
-        (with_compaction ? MDBX_CP_COMPACT : MDBX_CP_DEFAULTS) |
-        (dynsize ? MDBX_CP_FORCE_DYNAMIC_SIZE : MDBX_CP_DEFAULTS) |
-        (throttle ? MDBX_CP_THROTTLE_MVCC : MDBX_CP_DEFAULTS) |
-        (flush ? MDBX_CP_DEFAULTS : MDBX_CP_DONT_FLUSH) |
-        (enable_renew ? MDBX_CP_RENEW_TXN : MDBX_CP_DEFAULTS);
-    txn_begin(ro);
-    err = mdbx_txn_copy2pathname(txn_guard.get(), copy_pathname.c_str(), flags);
-    if (unlikely(err != MDBX_SUCCESS && (!throttle || err != MDBX_OUSTED) &&
-                 (!enable_renew && err != MDBX_MVCC_RETARDED)))
-      failure_perror(with_compaction ? "mdbx_txn_copy2pathname(MDBX_CP_COMPACT)"
-                                     : "mdbx_txn_copy2pathname(MDBX_CP_ASIS)",
-                     err);
-    txn_end(err != MDBX_SUCCESS || flipcoin());
+    do {
+      const bool ro = mode_readonly() || flipcoin();
+      const bool throttle = ro && flipcoin();
+      const bool dynsize = flipcoin();
+      const bool flush = flipcoin();
+      const bool enable_renew = flipcoin();
+      const MDBX_copy_flags_t flags =
+          (with_compaction ? MDBX_CP_COMPACT : MDBX_CP_DEFAULTS) |
+          (dynsize ? MDBX_CP_FORCE_DYNAMIC_SIZE : MDBX_CP_DEFAULTS) |
+          (throttle ? MDBX_CP_THROTTLE_MVCC : MDBX_CP_DEFAULTS) |
+          (flush ? MDBX_CP_DEFAULTS : MDBX_CP_DONT_FLUSH) |
+          (enable_renew ? MDBX_CP_RENEW_TXN : MDBX_CP_DEFAULTS);
+      txn_begin(ro);
+      err =
+          mdbx_txn_copy2pathname(txn_guard.get(), copy_pathname.c_str(), flags);
+      if (unlikely(err != MDBX_SUCCESS && (!throttle || err != MDBX_OUSTED) &&
+                   (!enable_renew && err != MDBX_MVCC_RETARDED)))
+        failure_perror(with_compaction
+                           ? "mdbx_txn_copy2pathname(MDBX_CP_COMPACT)"
+                           : "mdbx_txn_copy2pathname(MDBX_CP_ASIS)",
+                       err);
+      txn_end(err != MDBX_SUCCESS || flipcoin());
+    } while (err != MDBX_SUCCESS);
   }
 }