diff --git a/quartz/cli/args.js b/quartz/cli/args.js
index 3543e2e..7ed5b07 100644
--- a/quartz/cli/args.js
+++ b/quartz/cli/args.js
@@ -41,6 +41,11 @@ export const SyncArgv = {
     default: true,
     describe: "create a git commit for your unsaved changes",
   },
+  message: {
+    string: true,
+    alias: ["m"],
+    describe: "option to override the default Quartz commit message",
+  },
   push: {
     boolean: true,
     default: true,
diff --git a/quartz/cli/handlers.js b/quartz/cli/handlers.js
index 48a44ec..96ee9bc 100644
--- a/quartz/cli/handlers.js
+++ b/quartz/cli/handlers.js
@@ -483,8 +483,9 @@ export async function handleSync(argv) {
       dateStyle: "medium",
       timeStyle: "short",
     })
+    const commitMessage = argv.message ?? `Quartz sync: ${currentTimestamp}`
     spawnSync("git", ["add", "."], { stdio: "inherit" })
-    spawnSync("git", ["commit", "-m", `Quartz sync: ${currentTimestamp}`], { stdio: "inherit" })
+    spawnSync("git", ["commit", "-m", commitMessage], { stdio: "inherit" })
 
     if (contentStat.isSymbolicLink()) {
       // put symlink back