diff --git a/crates/hir_ty/src/interner.rs b/crates/hir_ty/src/interner.rs
index 7b41197477..8e77378abe 100644
--- a/crates/hir_ty/src/interner.rs
+++ b/crates/hir_ty/src/interner.rs
@@ -15,9 +15,15 @@ use std::{fmt, sync::Arc};
 #[derive(Debug, Copy, Clone, Hash, PartialOrd, Ord, PartialEq, Eq)]
 pub struct Interner;
 
-#[derive(PartialEq, Eq, Hash, Debug)]
+#[derive(PartialEq, Eq, Hash)]
 pub struct InternedWrapper<T>(T);
 
+impl<T: fmt::Debug> fmt::Debug for InternedWrapper<T> {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        fmt::Debug::fmt(&self.0, f)
+    }
+}
+
 impl<T> std::ops::Deref for InternedWrapper<T> {
     type Target = T;