diff --git a/packages/opencode/src/cli/cmd/tui/component/dialog-workspace-create.tsx b/packages/opencode/src/cli/cmd/tui/component/dialog-workspace-create.tsx
index e2af0d63e1..ad40637575 100644
--- a/packages/opencode/src/cli/cmd/tui/component/dialog-workspace-create.tsx
+++ b/packages/opencode/src/cli/cmd/tui/component/dialog-workspace-create.tsx
@@ -77,7 +77,7 @@ export async function warpWorkspaceSession(input: {
 }): Promise<boolean> {
   const result = await input.sdk.client.experimental.workspace
     .warp({
-      id: input.workspaceID,
+      id: input.workspaceID ?? undefined,
       sessionID: input.sessionID,
     })
     .catch(() => undefined)