diff --git a/crates/ruff_db/src/diagnostic/render.rs b/crates/ruff_db/src/diagnostic/render.rs
index 8edbf5b68b..2161393bf1 100644
--- a/crates/ruff_db/src/diagnostic/render.rs
+++ b/crates/ruff_db/src/diagnostic/render.rs
@@ -47,8 +47,11 @@ impl std::fmt::Display for DisplayDiagnostic<'_> {
     fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
         let resolved = Resolved::new(self.resolver, self.diag);
         let renderable = resolved.to_renderable(self.config.context);
-        for diag in &renderable.diagnostics {
-            writeln!(f, "{}", self.annotate_renderer.render(diag.to_annotate()))?;
+        for (i, diag) in renderable.diagnostics.iter().enumerate() {
+            if i > 0 {
+                writeln!(f)?;
+            }
+            write!(f, "{}", self.annotate_renderer.render(diag.to_annotate()))?;
         }
         Ok(())
     }