diff --git a/configs/constant_presets/mainnet.yaml b/configs/constant_presets/mainnet.yaml
index e67cf79cef..d06febb779 100644
--- a/configs/constant_presets/mainnet.yaml
+++ b/configs/constant_presets/mainnet.yaml
@@ -62,8 +62,8 @@ SLOTS_PER_EPOCH: 64
 MIN_SEED_LOOKAHEAD: 1
 # 2**2 (= 4) epochs 25.6 minutes
 ACTIVATION_EXIT_DELAY: 4
-# 2**4 (= 16) epochs ~1.7 hours
-EPOCHS_PER_ETH1_VOTING_PERIOD: 16
+# 2**10 (= 1,024) slots ~1.7 hours
+SLOTS_PER_ETH1_VOTING_PERIOD: 1024
 # 2**13 (= 8,192) slots ~13 hours
 SLOTS_PER_HISTORICAL_ROOT: 8192
 # 2**8 (= 256) epochs ~27 hours
diff --git a/configs/constant_presets/minimal.yaml b/configs/constant_presets/minimal.yaml
index 91ab7b358e..80af5398c8 100644
--- a/configs/constant_presets/minimal.yaml
+++ b/configs/constant_presets/minimal.yaml
@@ -63,7 +63,7 @@ MIN_SEED_LOOKAHEAD: 1
 # 2**2 (= 4) epochs 25.6 minutes
 ACTIVATION_EXIT_DELAY: 4
 # [customized] higher frequency new deposits from eth1 for testing
-EPOCHS_PER_ETH1_VOTING_PERIOD: 2
+SLOTS_PER_ETH1_VOTING_PERIOD: 16
 # [customized] smaller state
 SLOTS_PER_HISTORICAL_ROOT: 64
 # 2**8 (= 256) epochs ~27 hours