diff --git a/hmt_escrow/eth_bridge.py b/hmt_escrow/eth_bridge.py
index 7c109eaf..3a1f279b 100644
--- a/hmt_escrow/eth_bridge.py
+++ b/hmt_escrow/eth_bridge.py
@@ -32,7 +32,8 @@
 KVSTORE_CONTRACT = Web3.toChecksumAddress(
     os.getenv("KVSTORE_CONTRACT",
               "0xbcF8274FAb0cbeD0099B2cAFe862035a6217Bf44"))
-WEB3_POLL_LATENCY = os.getenv("WEB3_POLL_LATENCY", 5)
+WEB3_POLL_LATENCY = float(os.getenv("WEB3_POLL_LATENCY", 5))
+WEB3_TIMEOUT = int(os.getenv("WEB3_TIMEOUT", 240))
 
 
 def get_w3() -> Web3:
@@ -112,10 +113,8 @@ def handle_transaction(txn_func, *args, **kwargs) -> AttributeDict:
     txn_hash = w3.eth.sendRawTransaction(signed_txn.rawTransaction)
 
     try:
-        txn_receipt = wait_for_transaction_receipt(w3,
-                                                   txn_hash,
-                                                   timeout=240,
-                                                   poll_latency=5)
+        txn_receipt = wait_for_transaction_receipt(
+            w3, txn_hash, timeout=WEB3_TIMEOUT, poll_latency=WEB3_POLL_LATENCY)
     except TimeoutError as e:
         raise e
     return txn_receipt