diff --git a/configs/minimal.yaml b/configs/minimal.yaml
index d8e346ffa..5abf6c93c 100644
--- a/configs/minimal.yaml
+++ b/configs/minimal.yaml
@@ -77,7 +77,7 @@ BLS_WITHDRAWAL_PREFIX: 0x00
 # Time parameters
 # ---------------------------------------------------------------
 # [customized] Faster to spin up testnets, but does not give validator reasonable warning time for genesis
-MIN_GENESIS_DELAY: 300
+GENESIS_DELAY: 300
 # [customized] Faster for testing purposes
 SECONDS_PER_SLOT: 6
 # 2**0 (= 1) slots 6 seconds