diff --git a/lib/propolis/src/hw/nvme/mod.rs b/lib/propolis/src/hw/nvme/mod.rs
index 6b1956488..78d0b1ffa 100644
--- a/lib/propolis/src/hw/nvme/mod.rs
+++ b/lib/propolis/src/hw/nvme/mod.rs
@@ -542,11 +542,11 @@ impl NvmeCtrl {
     fn transfer_params(&self) -> queue::TransferParams {
         let lba_data_size = 1u64
             << (self.ns_ident.lbaf[(self.ns_ident.flbas & 0xF) as usize]).lbads;
-        let max_data_tranfser_size = match self.ctrl_ident.mdts {
+        let max_data_transfer_size = match self.ctrl_ident.mdts {
             0 => u64::MAX,
             mdts => (self.ctrl.cap.mpsmin_sz() as u64) << mdts,
         };
-        queue::TransferParams { lba_data_size, max_data_tranfser_size }
+        queue::TransferParams { lba_data_size, max_data_transfer_size }
     }
 
     fn update_block_info(&mut self, info: block::DeviceInfo) {
diff --git a/lib/propolis/src/hw/nvme/queue.rs b/lib/propolis/src/hw/nvme/queue.rs
index d24a6dbad..a9b61da16 100644
--- a/lib/propolis/src/hw/nvme/queue.rs
+++ b/lib/propolis/src/hw/nvme/queue.rs
@@ -1116,7 +1116,7 @@ pub fn sqid_to_block_qid(sqid: super::QueueId) -> block::QueueId {
 #[derive(Copy, Clone, Debug, Default)]
 pub struct TransferParams {
     pub lba_data_size: u64,
-    pub max_data_tranfser_size: u64,
+    pub max_data_transfer_size: u64,
 }
 
 /// Configuration for Doorbell Buffer feature
diff --git a/lib/propolis/src/hw/nvme/requests.rs b/lib/propolis/src/hw/nvme/requests.rs
index 5f16c5b8e..8c8a183fb 100644
--- a/lib/propolis/src/hw/nvme/requests.rs
+++ b/lib/propolis/src/hw/nvme/requests.rs
@@ -96,7 +96,7 @@ impl block::DeviceQueue for NvmeBlockQueue {
                     let off = params.lba_data_size * cmd.slba;
                     let size = params.lba_data_size * (cmd.nlb as u64);
 
-                    if size > params.max_data_tranfser_size {
+                    if size > params.max_data_transfer_size {
                         permit.complete(
                             Completion::generic_err(bits::STS_INVAL_FIELD)
                                 .dnr(),
@@ -121,7 +121,7 @@ impl block::DeviceQueue for NvmeBlockQueue {
                     let off = params.lba_data_size * cmd.slba;
                     let size = params.lba_data_size * (cmd.nlb as u64);
 
-                    if size > params.max_data_tranfser_size {
+                    if size > params.max_data_transfer_size {
                         permit.complete(
                             Completion::generic_err(bits::STS_INVAL_FIELD)
                                 .dnr(),