diff --git a/rust/main/agents/validator/src/settings.rs b/rust/main/agents/validator/src/settings.rs
index 3d1245df1c..d464be5a92 100644
--- a/rust/main/agents/validator/src/settings.rs
+++ b/rust/main/agents/validator/src/settings.rs
@@ -125,7 +125,7 @@ impl FromRawConf<RawValidatorSettings> for ValidatorSettings {
             .get_opt_key("blocks")
             .get_opt_key("reorgPeriod")
             .parse_value("Invalid reorgPeriod")
-            .unwrap_or(ReorgPeriod::from_number(1));
+            .unwrap_or(ReorgPeriod::from_blocks(1));
 
         cfg_unwrap_all!(cwp, err: [base, origin_chain, validator, checkpoint_syncer]);
 
diff --git a/rust/main/agents/validator/src/submit.rs b/rust/main/agents/validator/src/submit.rs
index 16629e3aca..5248ab7a35 100644
--- a/rust/main/agents/validator/src/submit.rs
+++ b/rust/main/agents/validator/src/submit.rs
@@ -617,7 +617,7 @@ mod test {
                     &expected_local_merkle_tree,
                     &mock_onchain_merkle_tree_clone,
                     unix_timestamp,
-                    ReorgPeriod::from_number(expected_reorg_period),
+                    ReorgPeriod::from_blocks(expected_reorg_period),
                 );
                 Ok(())
             });
@@ -625,7 +625,7 @@ mod test {
         // instantiate the validator submitter
         let validator_submitter = ValidatorSubmitter::new(
             Duration::from_secs(1),
-            ReorgPeriod::from_number(expected_reorg_period),
+            ReorgPeriod::from_blocks(expected_reorg_period),
             Arc::new(mock_merkle_tree_hook),
             dummy_singleton_handle(),
             Arc::new(mock_checkpoint_syncer),
diff --git a/rust/main/chains/hyperlane-cosmos/src/utils.rs b/rust/main/chains/hyperlane-cosmos/src/utils.rs
index 91c5e96253..31213dd306 100644
--- a/rust/main/chains/hyperlane-cosmos/src/utils.rs
+++ b/rust/main/chains/hyperlane-cosmos/src/utils.rs
@@ -32,7 +32,7 @@ pub(crate) async fn get_block_height_for_lag(
     lag: &ReorgPeriod,
 ) -> ChainResult<Option<u64>> {
     let block_height = if !lag.is_none() {
-        let lag = lag.as_number()?;
+        let lag = lag.as_blocks()?;
         let tip = provider.latest_block_height().await?;
         let block_height = tip - lag as u64;
         Some(block_height)
diff --git a/rust/main/hyperlane-base/src/settings/chains.rs b/rust/main/hyperlane-base/src/settings/chains.rs
index a665aa9d14..0e08b2d156 100644
--- a/rust/main/hyperlane-base/src/settings/chains.rs
+++ b/rust/main/hyperlane-base/src/settings/chains.rs
@@ -289,7 +289,7 @@ impl ChainConf {
             }
             ChainConnectionConf::Cosmos(conf) => {
                 let signer = self.cosmos_signer().await.context(ctx)?;
-                let reorg_period = self.reorg_period.as_number().context(ctx)?;
+                let reorg_period = self.reorg_period.as_blocks().context(ctx)?;
                 let indexer = Box::new(h_cosmos::CosmosMailboxDispatchIndexer::new(
                     conf.clone(),
                     locator,
@@ -329,7 +329,7 @@ impl ChainConf {
             }
             ChainConnectionConf::Cosmos(conf) => {
                 let signer = self.cosmos_signer().await.context(ctx)?;
-                let reorg_period = self.reorg_period.as_number().context(ctx)?;
+                let reorg_period = self.reorg_period.as_blocks().context(ctx)?;
                 let indexer = Box::new(h_cosmos::CosmosMailboxDeliveryIndexer::new(
                     conf.clone(),
                     locator,
@@ -412,7 +412,7 @@ impl ChainConf {
                 Ok(indexer as Box<dyn SequenceAwareIndexer<InterchainGasPayment>>)
             }
             ChainConnectionConf::Cosmos(conf) => {
-                let reorg_period = self.reorg_period.as_number().context(ctx)?;
+                let reorg_period = self.reorg_period.as_blocks().context(ctx)?;
                 let indexer = Box::new(h_cosmos::CosmosInterchainGasPaymasterIndexer::new(
                     conf.clone(),
                     locator,
@@ -455,7 +455,7 @@ impl ChainConf {
             }
             ChainConnectionConf::Cosmos(conf) => {
                 let signer = self.cosmos_signer().await.context(ctx)?;
-                let reorg_period = self.reorg_period.as_number().context(ctx)?;
+                let reorg_period = self.reorg_period.as_blocks().context(ctx)?;
                 let indexer = Box::new(h_cosmos::CosmosMerkleTreeHookIndexer::new(
                     conf.clone(),
                     locator,
diff --git a/rust/main/hyperlane-base/src/settings/checkpoint_syncer.rs b/rust/main/hyperlane-base/src/settings/checkpoint_syncer.rs
index 7276d662b4..3434a7168a 100644
--- a/rust/main/hyperlane-base/src/settings/checkpoint_syncer.rs
+++ b/rust/main/hyperlane-base/src/settings/checkpoint_syncer.rs
@@ -209,7 +209,7 @@ mod test {
             .unwrap();
             let dummy_checkpoint_index = 56;
             let unix_timestamp = 1620000000;
-            let reorg_period = ReorgPeriod::from_number(5);
+            let reorg_period = ReorgPeriod::from_blocks(5);
             let dummy_reorg_event = ReorgEvent {
                 local_merkle_root: dummy_local_merkle_root,
                 canonical_merkle_root: dummy_canonical_merkle_root,
diff --git a/rust/main/hyperlane-base/src/settings/parser/mod.rs b/rust/main/hyperlane-base/src/settings/parser/mod.rs
index 2b62910e96..7c608427bb 100644
--- a/rust/main/hyperlane-base/src/settings/parser/mod.rs
+++ b/rust/main/hyperlane-base/src/settings/parser/mod.rs
@@ -137,7 +137,7 @@ fn parse_chain(
         .get_opt_key("blocks")
         .get_key("reorgPeriod")
         .parse_value("Invalid reorgPeriod")
-        .unwrap_or(ReorgPeriod::from_number(1));
+        .unwrap_or(ReorgPeriod::from_blocks(1));
 
     let rpcs = parse_base_and_override_urls(&chain, "rpcUrls", "customRpcUrls", "http", &mut err);
 
diff --git a/rust/main/hyperlane-core/src/chain.rs b/rust/main/hyperlane-core/src/chain.rs
index 8772b9c787..042249686a 100644
--- a/rust/main/hyperlane-core/src/chain.rs
+++ b/rust/main/hyperlane-core/src/chain.rs
@@ -51,13 +51,13 @@ pub enum ReorgPeriod {
 }
 
 impl ReorgPeriod {
-    pub fn from_number(number: u32) -> Self {
-        NonZeroU32::try_from(number)
+    pub fn from_blocks(blocks: u32) -> Self {
+        NonZeroU32::try_from(blocks)
             .map(ReorgPeriod::Blocks)
             .unwrap_or(ReorgPeriod::None)
     }
 
-    pub fn as_number(&self) -> Result<u32, Report> {
+    pub fn as_blocks(&self) -> Result<u32, Report> {
         match self {
             ReorgPeriod::None => Ok(0),
             ReorgPeriod::Blocks(blocks) => Ok(blocks.get()),
@@ -101,7 +101,7 @@ impl<'de> Deserialize<'de> for ReorgPeriod {
 
             fn visit_u64<E: de::Error>(self, v: u64) -> Result<Self::Value, E> {
                 let v = v.try_into().map_err(de::Error::custom)?;
-                Ok(ReorgPeriod::from_number(v))
+                Ok(ReorgPeriod::from_blocks(v))
             }
 
             fn visit_str<E: de::Error>(self, v: &str) -> Result<Self::Value, E> {