diff --git a/tests/nodeos_eos_evm_brownietest.py b/tests/nodeos_eos_evm_brownietest.py
index 5ea9b07..4fcc098 100755
--- a/tests/nodeos_eos_evm_brownietest.py
+++ b/tests/nodeos_eos_evm_brownietest.py
@@ -419,6 +419,7 @@ def toDict(dictToParse):
         Utils.Print("Launching: %s" % cmd)
         cmdArr=shlex.split(cmd)
         eosEvmMinerPOpen=subprocess.Popen(cmdArr, cwd=useMiner)
+        time.sleep(10.0) # wait for miner's gasprice updated
     else:
         assert False, "useMiner must be set"