diff --git a/scripts/tests/genesis-sync-config-electra.yaml b/scripts/tests/genesis-sync-config-electra.yaml
index 153f754c94..1d1ed4d315 100644
--- a/scripts/tests/genesis-sync-config-electra.yaml
+++ b/scripts/tests/genesis-sync-config-electra.yaml
@@ -6,15 +6,14 @@ participants:
   # nodes without validators, used for testing sync.
   - cl_type: lighthouse
     cl_image: lighthouse:local
-    supernode: true # no supernode in Electra, this is for future proof
     validator_count: 0
   - cl_type: lighthouse
     cl_image: lighthouse:local
-    supernode: false
     validator_count: 0
 network_params:
   seconds_per_slot: 6
   electra_fork_epoch: 0
+  fulu_fork_epoch: 100000 # a really big number so this test stays in electra
   preset: "minimal"
 additional_services:
   - tx_fuzz
diff --git a/scripts/tests/genesis-sync-config-fulu.yaml b/scripts/tests/genesis-sync-config-fulu.yaml
index 98dc8751d6..6d2c2647a9 100644
--- a/scripts/tests/genesis-sync-config-fulu.yaml
+++ b/scripts/tests/genesis-sync-config-fulu.yaml
@@ -21,8 +21,7 @@ participants:
     validator_count: 0
 network_params:
   seconds_per_slot: 6
-  electra_fork_epoch: 0
-  fulu_fork_epoch: 1
+  fulu_fork_epoch: 0
   preset: "minimal"
 additional_services:
   - tx_fuzz
diff --git a/scripts/tests/network_params.yaml b/scripts/tests/network_params.yaml
index 0fda1aa34b..35916ac1e4 100644
--- a/scripts/tests/network_params.yaml
+++ b/scripts/tests/network_params.yaml
@@ -6,9 +6,10 @@ participants:
     cl_image: lighthouse:local
     cl_extra_params:
       - --target-peers=3
+    supernode: true
     count: 4
 network_params:
-  electra_fork_epoch: 0
+  fulu_fork_epoch: 0
   seconds_per_slot: 3
   num_validator_keys_per_node: 20
 global_log_level: debug