diff --git a/main.star b/main.star
index fccf2ca10..3f999a753 100644
--- a/main.star
+++ b/main.star
@@ -83,7 +83,7 @@ def run(plan, args = {}):
 		)
 		plan.wait(recipe = epoch_recipe, field = "extract.epoch", assertion = ">=", target_value = str(network_params.capella_fork_epoch), timeout = "20m", service_name = first_client_beacon_name)
 		plan.print("epoch 2 reached, can begin mev stuff")
-		endpoint = mev_relay_launcher_module.launch_mev_relay(plan, mev_params, network_params.network_id, beacon_uris, genesis_validators_root, builder_uri, network_params.seconds_per_slot)
+		endpoint = mev_relay_launcher_module.launch_mev_relay(plan, mev_params, network_params.network_id, beacon_uris, genesis_validators_root, builder_uri, network_params.seconds_per_slot, network_params.slots_per_epoch)
 		mev_flood_module.spam_in_background(plan, el_uri, mev_params.mev_flood_extra_args, mev_params.mev_flood_seconds_per_bundle, genesis_constants.PRE_FUNDED_ACCOUNTS)
 		if args_with_right_defaults.mev_params.launch_custom_flood:
 			mev_custom_flood_module.spam_in_background(plan, genesis_constants.PRE_FUNDED_ACCOUNTS[-1].private_key, genesis_constants.PRE_FUNDED_ACCOUNTS[0].address, el_uri)
diff --git a/src/mev_relay/mev_relay_launcher.star b/src/mev_relay/mev_relay_launcher.star
index d03ef9081..de49a3f2d 100644
--- a/src/mev_relay/mev_relay_launcher.star
+++ b/src/mev_relay/mev_relay_launcher.star
@@ -17,7 +17,7 @@ NETWORK_ID_TO_NAME = {
 	"3":        "ropsten",
 }
 
-def launch_mev_relay(plan, mev_params, network_id, beacon_uris, validator_root, builder_uri, seconds_per_slot):
+def launch_mev_relay(plan, mev_params, network_id, beacon_uris, validator_root, builder_uri, seconds_per_slot, slots_per_epoch = 32):
     redis = redis_module.run(plan)
     # making the password postgres as the relay expects it to be postgres
     postgres = postgres_module.run(plan, password = "postgres", user = "postgres", database = "postgres", service_name = "postgres")
@@ -33,7 +33,8 @@ def launch_mev_relay(plan, mev_params, network_id, beacon_uris, validator_root,
         "CAPELLA_FORK_VERSION": "0x40000038",
         "DENEB_FORK_VERSION": "0x50000038",
         "GENESIS_VALIDATORS_ROOT": validator_root,
-        "SEC_PER_SLOT": str(seconds_per_slot)
+        "SEC_PER_SLOT": str(seconds_per_slot),
+        "SLOTS_PER_EPOCH": str(slots_per_epoch)
     }
 
     redis_url = "{}:{}".format(redis.hostname, redis.port_number)