diff --git a/neo3/api/wrappers.py b/neo3/api/wrappers.py
index ab0a78e..dd1a9ad 100644
--- a/neo3/api/wrappers.py
+++ b/neo3/api/wrappers.py
@@ -615,7 +615,7 @@ async def _get_receipt_time_values(self) -> tuple[float, float]:
                     result.protocol.ms_per_block / 1000
                 ) / 5
                 timeout = self._receipt_timeout = (
-                    result.protocol.ms_per_block / 1000
+                    (result.protocol.ms_per_block / 1000) * 2
                 ) + self._receipt_retry_delay
                 return delay, timeout
         else: