diff --git a/helix-term/src/application.rs b/helix-term/src/application.rs
index 0ef200c2f..809393c7f 100644
--- a/helix-term/src/application.rs
+++ b/helix-term/src/application.rs
@@ -724,7 +724,7 @@ impl Application {
                     }
                     Notification::PublishDiagnostics(mut params) => {
                         let path = match params.uri.to_file_path() {
-                            Ok(path) => path,
+                            Ok(path) => helix_stdx::path::normalize(&path),
                             Err(_) => {
                                 log::error!("Unsupported file URI: {}", params.uri);
                                 return;