--- a/src/ast_dump.rs
+++ b/src/ast_dump.rs
@@ -198,6 +198,7 @@ impl to_string_able for expr {
             expr::SetComp(elt, generators) => format!("{{{} {}}}", elt.to_string(), vec_to_strings_vec(generators).join(" ")),
             expr::GeneratorExp(elt, generators) => format!("({} {})", elt.to_string(), vec_to_strings_vec(generators).join(" ")),
             expr::Lambda(args, body) => format!("lambda {}: {}", args.to_string(), body.to_string()),
+            expr::IfExp(test, body, orelse) => format!("{} if {} else {}", body.to_string(), test.to_string(), orelse.to_string()),
         }
     }
 }