diff --git a/examples/lisp/uns_lisp.c b/examples/lisp/uns_lisp.c
index cc67959..fc53464 100644
--- a/examples/lisp/uns_lisp.c
+++ b/examples/lisp/uns_lisp.c
@@ -176,6 +176,8 @@ static void tok_string(struct file *input, struct token *tok)
 			}
 		case '"': /* " */
 			return;
+		default:
+			uns_string_append_char(gc, &tok->dat, c);
 		}
 	}
 }
@@ -1100,6 +1102,7 @@ static enum cps_return cps_exec_lambda(struct uns_ctr *prevstack,
 	stack_push(prevstack, &tmpsym);
 
 	stack_push_const(readstack, "cps-lambda");
+	stack_push_const(readstack, "cps");
 
 cleanup:
 	uns_root_remove(gc, &tmp);
@@ -1767,9 +1770,7 @@ static void display(struct uns_ctr *ctr)
 			break;
 		case STRING:
 			tmp.p = uns_get(gc, top.p, 1, NULL);
-			uns_root_add(gc, &tmp);
 			printf("%s\"%s\"", SPC, uns_string_cstring(gc, &tmp));
-			uns_root_remove(gc, &tmp);
 			break;
 		case SYMBOL:
 			tmp.p = uns_get(gc, top.p, 1, NULL);