diff --git a/src/ribbit.ts b/src/ribbit.ts
index a622f1b..34b39f2 100644
--- a/src/ribbit.ts
+++ b/src/ribbit.ts
@@ -21,7 +21,7 @@ const HTML5_TAGS = [
 ]
 
 export async function wrapAndRunCode(code: string, globals?: Record<string, any>): Promise<any> {
-  return await runCode("ribbit:\n  " + code + "\nend", Object.assign({}, ribbitGlobals, globals))
+  return await runCode("ribbit do:\n  " + code + "\nend", Object.assign({}, ribbitGlobals, globals))
 }
 
 export const ribbitGlobals = {