diff --git a/packages/opencode/src/cli/cmd/tui/util/clipboard.ts b/packages/opencode/src/cli/cmd/tui/util/clipboard.ts
index 9c91cf3055a..da98583e460 100644
--- a/packages/opencode/src/cli/cmd/tui/util/clipboard.ts
+++ b/packages/opencode/src/cli/cmd/tui/util/clipboard.ts
@@ -5,6 +5,8 @@ import { lazy } from "../../../../util/lazy.js"
 import { tmpdir } from "os"
 import path from "path"
 
+export const escapePowerShellValue = (text: string) => text.replace(/`/g, "``").replace(/"/g, '""')
+
 export namespace Clipboard {
   export interface Content {
     data: string
@@ -110,8 +112,7 @@ export namespace Clipboard {
     if (os === "win32") {
       console.log("clipboard: using powershell")
       return async (text: string) => {
-        // need to escape backticks because powershell uses them as escape code
-        const escaped = text.replace(/"/g, '""').replace(/`/g, "``")
+        const escaped = escapePowerShellValue(text)
         await $`powershell -NonInteractive -NoProfile -Command "Set-Clipboard -Value \"${escaped}\""`.nothrow().quiet()
       }
     }
diff --git a/packages/opencode/test/clipboard.test.ts b/packages/opencode/test/clipboard.test.ts
new file mode 100644
index 00000000000..af3b660b783
--- /dev/null
+++ b/packages/opencode/test/clipboard.test.ts
@@ -0,0 +1,10 @@
+import { describe, expect, it } from "bun:test"
+import { escapePowerShellValue } from "../src/cli/cmd/tui/util/clipboard"
+
+describe("escapePowerShellValue", () => {
+  it("escapes backticks and double quotes for PowerShell", () => {
+    const input = 'back`tick"quote'
+    const escaped = escapePowerShellValue(input)
+    expect(escaped).toBe('back``tick""quote')
+  })
+})