diff --git a/strum_macros/src/macros/enum_iter.rs b/strum_macros/src/macros/enum_iter.rs
index 203b926..d136d30 100644
--- a/strum_macros/src/macros/enum_iter.rs
+++ b/strum_macros/src/macros/enum_iter.rs
@@ -65,11 +65,14 @@ pub fn enum_iter_inner(ast: &DeriveInput) -> syn::Result<TokenStream> {
     arms.push(quote! { _ => ::core::option::Option::None });
     let iter_name = syn::parse_str::<Ident>(&format!("{}Iter", name)).unwrap();
 
+    // Create a string literal "MyEnumIter" to use in the debug impl.
+    let iter_name_debug_struct =
+        syn::parse_str::<syn::LitStr>(&format!("\"{}\"", iter_name)).unwrap();
+
     Ok(quote! {
         #[doc = #doc_comment]
         #[allow(
             missing_copy_implementations,
-            missing_debug_implementations,
         )]
         #vis struct #iter_name #ty_generics {
             idx: usize,
@@ -77,6 +80,16 @@ pub fn enum_iter_inner(ast: &DeriveInput) -> syn::Result<TokenStream> {
             marker: ::core::marker::PhantomData #phantom_data,
         }
 
+        impl #impl_generics core::fmt::Debug for #iter_name #ty_generics #where_clause {
+            fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
+                // We don't know if the variants implement debug themselves so the only thing we
+                // can really show is how many elements are left.
+                f.debug_struct(#iter_name_debug_struct)
+                    .field("len", &self.len())
+                    .finish()
+            }
+        }
+
         impl #impl_generics #iter_name #ty_generics #where_clause {
             fn get(&self, idx: usize) -> Option<#name #ty_generics> {
                 match idx {