diff --git a/src/main/server/index.ts b/src/main/server/index.ts
index c77a511f..1917d575 100644
--- a/src/main/server/index.ts
+++ b/src/main/server/index.ts
@@ -33,7 +33,7 @@ const fileContent = async (ctx: any, next: any) => {
         hash: await file.hash(ctx.query.repo, ctx.query.path)
       })
     } else if (ctx.method === 'POST') {
-      const oldHash = ctx.request.body.old_hash
+      const { oldHash } = ctx.request.body
 
       if (!oldHash) {
         throw new Error('No hash.')
diff --git a/src/renderer/support/api.ts b/src/renderer/support/api.ts
index 1eb3155b..f0da0294 100644
--- a/src/renderer/support/api.ts
+++ b/src/renderer/support/api.ts
@@ -99,7 +99,7 @@ export async function writeFile (file: Doc, content = '') {
   const result = await fetchHttp('/api/file', {
     method: 'POST',
     headers: { 'Content-Type': 'application/json' },
-    body: JSON.stringify({ repo, path, content, old_hash: contentHash })
+    body: JSON.stringify({ repo, path, content, oldHash: contentHash, asBase64 })
   })
 
   return { hash: result.data }