diff --git a/helix-lsp/src/lib.rs b/helix-lsp/src/lib.rs
index c58d967b6..f1ffcdf88 100644
--- a/helix-lsp/src/lib.rs
+++ b/helix-lsp/src/lib.rs
@@ -539,6 +539,16 @@ pub fn generate_transaction_from_edits(
                 } else {
                     return (0, 0, None);
                 };
+
+                if start > end {
+                    log::error!(
+                        "Invalid LSP text edit start {:?} > end {:?}, discarding",
+                        start,
+                        end
+                    );
+                    return (0, 0, None);
+                }
+
                 (start, end, replacement)
             }),
         )