diff --git a/rust/lancedb/src/index.rs b/rust/lancedb/src/index.rs
index ae3c089b1..665dbf1b5 100644
--- a/rust/lancedb/src/index.rs
+++ b/rust/lancedb/src/index.rs
@@ -133,6 +133,7 @@ impl std::fmt::Display for IndexType {
             Self::Bitmap => write!(f, "BITMAP"),
             Self::LabelList => write!(f, "LABEL_LIST"),
             Self::FTS => write!(f, "FTS"),
+            Self::Inverted => write!(f, "FTS"),
         }
     }
 }