diff --git a/src/termio/Exec.zig b/src/termio/Exec.zig
index 5a15392b4..77fd2cc68 100644
--- a/src/termio/Exec.zig
+++ b/src/termio/Exec.zig
@@ -1698,7 +1698,7 @@ test "execCommand: direct command, config freed" {
     defer arena.deinit();
     const alloc = arena.allocator();
 
-    var command_arena = ArenaAllocator.init(alloc);
+    var command_arena = ArenaAllocator.init(testing.allocator);
     const command_alloc = command_arena.allocator();
     const command = try (configpkg.Command{
         .direct = &.{