diff --git a/src/eval.c b/src/eval.c
index 17c015b1..637f1c8b 100644
--- a/src/eval.c
+++ b/src/eval.c
@@ -74,6 +74,7 @@ pic_eval(pic_state *pic, pic_value obj, struct pic_env *env)
 	/* not implemented */
       }
     }
+    case PIC_TT_INT:
     case PIC_TT_NIL: {
       return obj;
     }