diff --git a/openapi/nexus.json b/openapi/nexus.json
index 285dcd82bb..2a8c227c64 100644
--- a/openapi/nexus.json
+++ b/openapi/nexus.json
@@ -19934,7 +19934,7 @@
               "nanoseconds",
               "volts",
               "amps",
-              "degrees_celcius"
+              "degrees_celsius"
             ]
           },
           {
diff --git a/oximeter/schema/src/codegen.rs b/oximeter/schema/src/codegen.rs
index 0429cf0534..c46c25c97d 100644
--- a/oximeter/schema/src/codegen.rs
+++ b/oximeter/schema/src/codegen.rs
@@ -512,8 +512,8 @@ fn quote_units(units: Units) -> TokenStream {
         }
         Units::Amps => quote! { ::oximeter::schema::Units::Amps },
         Units::Volts => quote! { ::oximeter::schema::Units::Volts },
-        Units::DegreesCelcius => {
-            quote! { ::oximeter::schema::Units::DegreesCelcius }
+        Units::DegreesCelsius => {
+            quote! { ::oximeter::schema::Units::DegreesCelsius }
         }
         Units::Rpm => quote! { ::oximeter::schema::Units::Rpm },
     }
diff --git a/oximeter/types/src/schema.rs b/oximeter/types/src/schema.rs
index 80aaa6f101..e06e6e2b57 100644
--- a/oximeter/types/src/schema.rs
+++ b/oximeter/types/src/schema.rs
@@ -189,7 +189,7 @@ pub enum Units {
     Nanoseconds,
     Volts,
     Amps,
-    DegreesCelcius,
+    DegreesCelsius,
     /// Rotations per minute.
     Rpm,
 }