diff --git a/program-tests/utils/src/e2e_test_env.rs b/program-tests/utils/src/e2e_test_env.rs
index f5ecfdb405..b7ae6acc99 100644
--- a/program-tests/utils/src/e2e_test_env.rs
+++ b/program-tests/utils/src/e2e_test_env.rs
@@ -1281,6 +1281,7 @@ where
                     .metadata
                     .rollover_metadata
                     .rollover_fee as i64,
+                network_fee: FeeConfig::default().network_fee,
                 accounts: StateMerkleTreeAccounts {
                     merkle_tree: merkle_tree_keypair.pubkey(),
                     nullifier_queue: nullifier_queue_keypair.pubkey(),
@@ -1547,6 +1548,7 @@ where
             TreeType::StateV2 => bundle.accounts.nullifier_queue,
             _ => panic!("Unsupported version"),
         };
+        let network_fee = bundle.network_fee;
         let recipients = vec![*to];
         let transaction_params = if self.keypair_action_config.fee_assert {
             let (inputs, is_v2) = if bundle.tree_type == TreeType::StateV2 {
@@ -1562,6 +1564,7 @@ where
                 compress: 0,
                 fee_config: FeeConfig {
                     state_merkle_tree_rollover: rollover_fee as u64,
+                    network_fee,
                     ..Default::default()
                 },
             })
@@ -1700,6 +1703,7 @@ where
         };
         let bundle = self.indexer.get_state_merkle_trees()[tree_index.unwrap_or(0)].clone();
         let rollover_fee = bundle.rollover_fee;
+        let network_fee = bundle.network_fee;
         let output_merkle_tree = match bundle.tree_type {
             TreeType::StateV1 => bundle.accounts.merkle_tree,
             // Output queue for batched trees
@@ -1721,6 +1725,7 @@ where
                 compress: amount as i64,
                 fee_config: FeeConfig {
                     state_merkle_tree_rollover: rollover_fee as u64,
+                    network_fee,
                     ..Default::default()
                 },
             })
@@ -2406,6 +2411,7 @@ where
             .push(StateMerkleTreeBundle {
                 // TODO: fetch correct fee when this property is used
                 rollover_fee: 0,
+                network_fee: FeeConfig::default().network_fee,
                 accounts: StateMerkleTreeAccounts {
                     merkle_tree: new_merkle_tree_keypair.pubkey(),
                     nullifier_queue: new_nullifier_queue_keypair.pubkey(),
diff --git a/programs/registry/src/lib.rs b/programs/registry/src/lib.rs
index 0bd6dc01af..a4882c4ede 100644
--- a/programs/registry/src/lib.rs
+++ b/programs/registry/src/lib.rs
@@ -833,6 +833,9 @@ pub fn check_forester(
         }
         Ok(())
     } else if metadata.access_metadata.forester == authority {
+        if metadata.rollover_metadata.network_fee != 0 {
+            return err!(RegistryError::InvalidNetworkFee);
+        }
         Ok(())
     } else {
         err!(RegistryError::InvalidSigner)
diff --git a/sdk-libs/program-test/src/indexer/state_tree.rs b/sdk-libs/program-test/src/indexer/state_tree.rs
index 832fb962ed..b0f1407f1f 100644
--- a/sdk-libs/program-test/src/indexer/state_tree.rs
+++ b/sdk-libs/program-test/src/indexer/state_tree.rs
@@ -15,6 +15,7 @@ pub struct LeafIndexInfo {
 #[derive(Debug, Clone)]
 pub struct StateMerkleTreeBundle {
     pub rollover_fee: i64,
+    pub network_fee: u64,
     pub merkle_tree: Box<MerkleTree<Poseidon>>,
     pub accounts: StateMerkleTreeAccounts,
     pub tree_type: TreeType,
diff --git a/sdk-libs/program-test/src/indexer/test_indexer.rs b/sdk-libs/program-test/src/indexer/test_indexer.rs
index 6218a75fd4..f01b9ec8e9 100644
--- a/sdk-libs/program-test/src/indexer/test_indexer.rs
+++ b/sdk-libs/program-test/src/indexer/test_indexer.rs
@@ -1328,6 +1328,7 @@ impl TestIndexer {
                 accounts: *state_merkle_tree_account,
                 merkle_tree,
                 rollover_fee: FeeConfig::default().state_merkle_tree_rollover as i64,
+                network_fee: FeeConfig::default().network_fee,
                 tree_type,
                 output_queue_elements: vec![],
                 input_leaf_indices: vec![],
@@ -1709,10 +1710,16 @@ impl TestIndexer {
             tree_type,
         };
 
+        let network_fee = if forester.is_some() {
+            0
+        } else {
+            FeeConfig::default().network_fee
+        };
         self.state_merkle_trees.push(StateMerkleTreeBundle {
             merkle_tree,
             accounts: state_merkle_tree_account,
             rollover_fee,
+            network_fee,
             tree_type,
             output_queue_elements: vec![],
             input_leaf_indices: vec![],