1 files changed, 1 insertions, 1 deletions

diff --git a/crates/base_db/src/input.rs b/crates/base_db/src/input.rs
index 64ccd11ee..23cb0c839 100644
--- a/crates/base_db/src/input.rs
+++ b/crates/base_db/src/input.rs
@@ -147,7 +147,7 @@ impl CrateDisplayName {
 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
 pub struct ProcMacroId(pub u32);
 
-#[derive(Copy, Clone, Eq, PartialEq, Debug)]
+#[derive(Copy, Clone, Eq, PartialEq, Debug, Hash)]
 pub enum ProcMacroKind {
     CustomDerive,
     FuncLike,