diff --git a/ruma-identifiers/src/macros.rs b/ruma-identifiers/src/macros.rs
index cec6aac4..60f04d21 100644
--- a/ruma-identifiers/src/macros.rs
+++ b/ruma-identifiers/src/macros.rs
@@ -2,7 +2,7 @@
 /// This allows documentation to be dynamically generated based on input.
 /// Necessary to work around https://github.com/rust-lang/rust/issues/52607.
 macro_rules! doc_concat {
-    ( $( #[doc = $doc:expr] $thing:item )* ) => ( $( #[doc = $doc] $thing )* );
+    ( $( #[doc = $doc:expr] $( $thing:tt )* )* ) => ( $( #[doc = $doc] $( $thing )* )* );
 }
 
 macro_rules! common_impls {