diff --git a/packages/opencode/test/script/version.test.ts b/packages/opencode/test/script/version.test.ts
new file mode 100644
index 000000000000..ef75c3162989
--- /dev/null
+++ b/packages/opencode/test/script/version.test.ts
@@ -0,0 +1,27 @@
+import { describe, expect, test } from "bun:test"
+import { readFileSync } from "fs"
+import { join } from "path"
+
+describe("build script version format", () => {
+  const scriptPath = join(
+    __dirname,
+    "../../../script/src/index.ts",
+  )
+
+  test("script must contain integration branch regex pattern", () => {
+    const content = readFileSync(scriptPath, "utf-8")
+    expect(content).toContain('/^integration\\/(\\d{4}-\\d{2}-\\d{2}-\\d{2}-\\d{2})$/')
+  })
+
+  test("script must check for integration match and return short version", () => {
+    const content = readFileSync(scriptPath, "utf-8")
+    expect(content).toContain('const integrationMatch = CHANNEL.match')
+    expect(content).toContain('if (integrationMatch)')
+    expect(content).toContain('return integrationMatch[1]')
+  })
+
+  test("script must fall back to old preview format for non-integration branches", () => {
+    const content = readFileSync(scriptPath, "utf-8")
+    expect(content).toContain('0.0.0-${CHANNEL}')
+  })
+})
diff --git a/packages/script/src/index.ts b/packages/script/src/index.ts
index d148ce0d2b70..c798c91ac7e7 100644
--- a/packages/script/src/index.ts
+++ b/packages/script/src/index.ts
@@ -33,7 +33,15 @@ const IS_PREVIEW = CHANNEL !== "latest"
 
 const VERSION = await (async () => {
   if (env.OPENCODE_VERSION) return env.OPENCODE_VERSION
-  if (IS_PREVIEW) return `0.0.0-${CHANNEL}-${new Date().toISOString().slice(0, 16).replace(/[-:T]/g, "")}`
+  if (IS_PREVIEW) {
+    // Check if we're on an integration branch and extract the timestamp
+    const integrationMatch = CHANNEL.match(/^integration\/(\d{4}-\d{2}-\d{2}-\d{2}-\d{2})$/)
+    if (integrationMatch) {
+      return integrationMatch[1] // Return just the timestamp (e.g., "2026-03-08-21-02")
+    }
+    // Otherwise use the old preview format for other branches
+    return `0.0.0-${CHANNEL}-${new Date().toISOString().slice(0, 16).replace(/[-:T]/g, "")}`
+  }
   const version = await fetch("https://registry.npmjs.org/opencode-ai/latest")
     .then((res) => {
       if (!res.ok) throw new Error(res.statusText)