diff --git a/libafl_bolts/src/serdeany.rs b/libafl_bolts/src/serdeany.rs
index 5d292e5286..b70ebc6336 100644
--- a/libafl_bolts/src/serdeany.rs
+++ b/libafl_bolts/src/serdeany.rs
@@ -1,8 +1,8 @@
 //! Poor-rust-man's downcasts for stuff we send over the wire (or shared maps)
 
-use alloc::boxed::Box;
 #[cfg(feature = "stable_anymap")]
-use alloc::string::{String, ToString};
+use alloc::borrow::Cow;
+use alloc::boxed::Box;
 #[cfg(feature = "stable_anymap")]
 use core::any::type_name;
 #[cfg(not(feature = "stable_anymap"))]
@@ -21,7 +21,7 @@ pub type TypeRepr = u128;
 
 /// The type of a stored type in this anymap (`String`)
 #[cfg(feature = "stable_anymap")]
-pub type TypeRepr = String;
+pub type TypeRepr = Cow<'static, str>;
 
 #[cfg(not(feature = "stable_anymap"))]
 fn type_repr<T>() -> TypeRepr
@@ -41,7 +41,7 @@ where
 
 #[cfg(feature = "stable_anymap")]
 fn type_repr_owned<T>() -> TypeRepr {
-    type_name::<T>().to_string()
+    Cow::Borrowed(type_name::<T>())
 }
 
 #[cfg(feature = "stable_anymap")]