diff --git a/crates/diagnostics/src/diagnostics.rs b/crates/diagnostics/src/diagnostics.rs
index 4ff3a67f46..ad45897009 100644
--- a/crates/diagnostics/src/diagnostics.rs
+++ b/crates/diagnostics/src/diagnostics.rs
@@ -113,8 +113,9 @@ impl ProjectDiagnosticsEditor {
                             let mut header = primary.clone();
                             header.message =
                                 primary.message.split('\n').next().unwrap().to_string();
-                            excerpt.header_height = 1;
+                            excerpt.header_height = 2;
                             excerpt.render_header = Some(diagnostic_header_renderer(
+                                buffer.clone(),
                                 header,
                                 self.build_settings.clone(),
                             ));
@@ -321,15 +322,16 @@ mod tests {
             assert_eq!(
                 view.excerpts.read(cx).read(cx).text(),
                 concat!(
-                    "\n",
+                    "\n", // primary diagnostic message
+                    "\n", // filename
                     "    let x = vec![];\n",
                     "    let y = vec![];\n",
                     "    a(x);\n",
-                    "\n",
+                    "\n", // context ellipsis
                     "    a(x);\n",
                     "    b(y);\n",
                     "    // comment 1\n",
-                    "\n",
+                    "\n", // context ellipsis
                     "    // comment 3\n",
                     "    // comment 4\n",
                     "    d(y);"
diff --git a/crates/editor/src/editor.rs b/crates/editor/src/editor.rs
index 337e4285ae..072f4db1da 100644
--- a/crates/editor/src/editor.rs
+++ b/crates/editor/src/editor.rs
@@ -14,7 +14,7 @@ use display_map::*;
 pub use element::*;
 use gpui::{
     action,
-    elements::Text,
+    elements::*,
     fonts::TextStyle,
     geometry::vector::{vec2f, Vector2F},
     keymap::Binding,
@@ -3783,6 +3783,7 @@ pub fn diagnostic_block_renderer(
 }
 
 pub fn diagnostic_header_renderer(
+    buffer: ModelHandle<Buffer>,
     diagnostic: Diagnostic,
     build_settings: BuildSettings,
 ) -> RenderHeaderFn {
@@ -3790,7 +3791,16 @@ pub fn diagnostic_header_renderer(
         let settings = build_settings(cx);
         let mut text_style = settings.style.text.clone();
         text_style.color = diagnostic_style(diagnostic.severity, true, &settings.style).text;
-        Text::new(diagnostic.message.clone(), text_style).boxed()
+        let file_path = if let Some(file) = buffer.read(cx).file() {
+            file.path().to_string_lossy().to_string()
+        } else {
+            "untitled".to_string()
+        };
+
+        Flex::column()
+            .with_child(Label::new(diagnostic.message.clone(), text_style).boxed())
+            .with_child(Label::new(file_path, settings.style.text.clone()).boxed())
+            .boxed()
     })
 }
 
@@ -3798,7 +3808,7 @@ pub fn context_header_renderer(build_settings: BuildSettings) -> RenderHeaderFn
     Arc::new(move |cx| {
         let settings = build_settings(cx);
         let text_style = settings.style.text.clone();
-        Text::new("...".to_string(), text_style).boxed()
+        Label::new("...".to_string(), text_style).boxed()
     })
 }