diff --git a/src/app/dashboard/fuel/fuel-view.tsx b/src/app/dashboard/fuel/fuel-view.tsx
index 2411c74..8542ed9 100644
--- a/src/app/dashboard/fuel/fuel-view.tsx
+++ b/src/app/dashboard/fuel/fuel-view.tsx
@@ -311,10 +311,14 @@ export function FuelView({
       // eslint-disable-next-line no-alert
       window.alert(err instanceof Error ? err.message : "Save failed");
     },
-    wireMap: (changes) => ({
-      ...changes,
-      unit_type: (changes as Record<string, unknown>).unitType ?? (changes as Record<string, unknown>).unit_type,
-    }),
+    wireMap: (changes) => {
+      const wire: Record<string, unknown> = { ...(changes as Record<string, unknown>) };
+      if ("unitType" in wire) {
+        wire.unit_type = wire.unitType;
+        delete wire.unitType;
+      }
+      return wire;
+    },
   });
 
   function handleToggle() {
diff --git a/src/app/dashboard/plant/plant-view.tsx b/src/app/dashboard/plant/plant-view.tsx
index a545356..2e80c18 100644
--- a/src/app/dashboard/plant/plant-view.tsx
+++ b/src/app/dashboard/plant/plant-view.tsx
@@ -157,10 +157,14 @@ export function PlantView({
       // eslint-disable-next-line no-alert
       window.alert(err instanceof Error ? err.message : "Save failed");
     },
-    wireMap: (changes) => ({
-      ...changes,
-      unit_type: (changes as Record<string, unknown>).unitType ?? (changes as Record<string, unknown>).unit_type,
-    }),
+    wireMap: (changes) => {
+      const wire: Record<string, unknown> = { ...(changes as Record<string, unknown>) };
+      if ("unitType" in wire) {
+        wire.unit_type = wire.unitType;
+        delete wire.unitType;
+      }
+      return wire;
+    },
   });
 
   function handleToggle() {