diff --git a/scripts/engine.cm b/scripts/engine.cm
index 019371fd..e9b47e70 100644
--- a/scripts/engine.cm
+++ b/scripts/engine.cm
@@ -729,7 +729,7 @@ if (progDir && progDir !== '.') {
 }
   
 var progContent = io.slurp(prog)
-var prog_script = `(function ${cell.args.program.name()}($_) { ${progContent} })`
+var prog_script = `(function ${cell.args.program.name()}_start($_) { ${progContent} })`
 var val = js.eval(cell.args.program, prog_script)($_)
 if (val)
   throw new Error('Program must not return anything');
diff --git a/tests/user.ce b/tests/use.ce
similarity index 100%
rename from tests/user.ce
rename to tests/use.ce