diff --git a/ext/oj/dump_compat.c b/ext/oj/dump_compat.c
index ea3f11c6..36d6160a 100644
--- a/ext/oj/dump_compat.c
+++ b/ext/oj/dump_compat.c
@@ -896,7 +896,11 @@ void oj_dump_compat_val(VALUE obj, int depth, Out out, bool as_ok) {
 						if (0 < out->argc) {
 								set_state_depth(*out->argv, depth);
 						}
+#ifdef TRUFFLERUBY
+            rb_raise(rb_eArgError, "Too deeply nested.");
+#else
 						raise_json_err("Too deeply nested", "NestingError");
+#endif
 				}
 #endif
     }