1 files changed, 1 insertions, 0 deletions

diff --git a/crates/ra_hir_def/src/path.rs b/crates/ra_hir_def/src/path.rs
index 3b26e8337..9e37ac416 100644
--- a/crates/ra_hir_def/src/path.rs
+++ b/crates/ra_hir_def/src/path.rs
@@ -254,6 +254,7 @@ macro_rules! __known_path {
     (std::ops::Try) => {};
     (std::ops::Neg) => {};
     (std::ops::Not) => {};
+    (std::ops::Index) => {};
     ($path:path) => {
         compile_error!("Please register your known path in the path module")
     };