diff --git a/crates/diagnostics/src/items.rs b/crates/diagnostics/src/items.rs
index c3733018b67e0142115c3baac2d8a068d5f6e328..8d3c2fedd6d9d65d7d28e0a88f05f1e85161d117 100644
--- a/crates/diagnostics/src/items.rs
+++ b/crates/diagnostics/src/items.rs
@@ -38,6 +38,10 @@ impl DiagnosticIndicator {
                 this.in_progress_checks.remove(language_server_id);
                 cx.notify();
             }
+            project::Event::DiagnosticsUpdated { .. } => {
+                this.summary = project.read(cx).diagnostic_summary(cx);
+                cx.notify();
+            }
             _ => {}
         })
         .detach();
diff --git a/crates/project/src/project.rs b/crates/project/src/project.rs
index a50e02a631ccda81f1d40c49cc3361c1626a383d..f734cd67b3e9b5c32aaf9be940b9f3cb1a3d14e6 100644
--- a/crates/project/src/project.rs
+++ b/crates/project/src/project.rs
@@ -2867,8 +2867,8 @@ impl Project {
                 move |mut params, mut cx| {
                     let this = this;
                     let adapter = adapter.clone();
-                    adapter.process_diagnostics(&mut params);
                     if let Some(this) = this.upgrade(&cx) {
+                        adapter.process_diagnostics(&mut params);
                         this.update(&mut cx, |this, cx| {
                             this.update_diagnostics(
                                 server_id,