diff --git a/crates/assistant/src/assistant_panel.rs b/crates/assistant/src/assistant_panel.rs
index da176ebeee61e0565666ebdb6d074d09008da1ad..364c6f9663120cc89f0647f1d9dc26b26e7ff3f6 100644
--- a/crates/assistant/src/assistant_panel.rs
+++ b/crates/assistant/src/assistant_panel.rs
@@ -3533,7 +3533,9 @@ impl ContextEditor {
                     for chunk in context.buffer().read(cx).text_for_range(range) {
                         text.push_str(chunk);
                     }
-                    text.push('\n');
+                    if message.offset_range.end < selection.range().end {
+                        text.push('\n');
+                    }
                 }
             }
         }