diff --git a/crates/hir-def/src/signatures.rs b/crates/hir-def/src/signatures.rs
index c0be1b7c68..86d6445e29 100644
--- a/crates/hir-def/src/signatures.rs
+++ b/crates/hir-def/src/signatures.rs
@@ -503,7 +503,7 @@ bitflags! {
         /// it if needed.
         const HAS_TARGET_FEATURE = 1 << 8;
         const DEPRECATED_SAFE_2024 = 1 << 9;
-        const RUSTC_ALLOW_INCOHERENT_IMPLS = 1 << 9;
+        const RUSTC_ALLOW_INCOHERENT_IMPLS = 1 << 10;
     }
 }