diff --git a/src/routes/camera.ts b/src/routes/camera.ts
index 4bbafa2..a823bdd 100644
--- a/src/routes/camera.ts
+++ b/src/routes/camera.ts
@@ -197,7 +197,15 @@ export const camera = (base: URL, init?: RequestInit, headers?: () => Promise<He
         }
       >() => {
         const url = new URL('camera/cooler', base)
-        return dispatchRequest<T>(url, { ...init, method: 'PUT' }, headers)
+
+        const data = JSON.stringify({ on: true })
+
+        return dispatchRequest<T>(
+          url,
+          { ...init, method: 'PUT', body: JSON.stringify({ on: true }) },
+          headers,
+          data
+        )
       }
     },
     {
@@ -214,7 +222,15 @@ export const camera = (base: URL, init?: RequestInit, headers?: () => Promise<He
         }
       >() => {
         const url = new URL('camera/cooler', base)
-        return dispatchRequest<T>(url, { ...init, method: 'DELETE' }, headers)
+
+        const data = JSON.stringify({ on: false })
+
+        return dispatchRequest<T>(
+          url,
+          { ...init, method: 'PUT', body: JSON.stringify({ on: false }) },
+          headers,
+          data
+        )
       }
     },
     {
diff --git a/tests/mocks/camera.ts b/tests/mocks/camera.ts
index f0ae10b..5415bb1 100644
--- a/tests/mocks/camera.ts
+++ b/tests/mocks/camera.ts
@@ -140,33 +140,30 @@ export const cameraHandlers: Handler[] = [
     })
   },
   {
-    method: ['PUT', 'DELETE'],
+    method: ['PUT'],
     url: '/api/v1/camera/cooler',
-    handler: eventHandler(event => {
+    handler: eventHandler(async event => {
       const method = getMethod(event)
 
-      if (!['PUT', 'DELETE'].includes(method)) {
+      if (!['PUT'].includes(method)) {
         return new Response('Method Not Allowed', {
           status: 405,
           statusText: 'Method Not Allowed'
         })
       }
 
+      const body = await readBody<{ on: boolean }>(event)
+
       const status = {
         connected: true,
         pulseGuiding: false,
-        coolerOn: false,
+        coolerOn: body.on,
         coolerPower: 0,
         CCDtemperature: 0,
         heatSinkTemperature: 0,
         state: 'idle'
       }
 
-      if (method === 'PUT') {
-        status.coolerOn = true
-        return status
-      }
-
       return status
     })
   },