diff --git a/src/format.rs b/src/format.rs
index 5e44b01..f7b1e03 100644
--- a/src/format.rs
+++ b/src/format.rs
@@ -129,7 +129,10 @@ macro_rules! format_ident {
 macro_rules! format_ident_impl {
     // Final state
     ([$span:expr, $($fmt:tt)*]) => {
-        $crate::__private::mk_ident(&format!($($fmt)*), $span)
+        $crate::__private::mk_ident(
+            &$crate::__private::format!($($fmt)*),
+            $span,
+        )
     };
 
     // Span argument
diff --git a/src/runtime.rs b/src/runtime.rs
index 14dd3ba..b6950ba 100644
--- a/src/runtime.rs
+++ b/src/runtime.rs
@@ -4,6 +4,7 @@ use std::iter;
 use std::ops::BitOr;
 
 pub use proc_macro2::*;
+pub use std::format;
 
 pub struct HasIterator; // True
 pub struct ThereIsNoIteratorInRepetition; // False