diff --git a/crates/edit/src/buffer/mod.rs b/crates/edit/src/buffer/mod.rs
index 9ea448542f6..5f4ca052f24 100644
--- a/crates/edit/src/buffer/mod.rs
+++ b/crates/edit/src/buffer/mod.rs
@@ -769,8 +769,8 @@ impl TextBuffer {
                 }
             }
 
-            // We'll assume CRLF if more than half of the lines end in CRLF.
-            let newlines_are_crlf = crlf_count >= lines / 2;
+            // We'll assume CRLF if more than half of the lines end in CRLF. If there is only a single line, we'll use the platform default.
+            let newlines_are_crlf = if lines == 0 { cfg!(windows) } else { crlf_count > lines / 2 };
 
             // We'll assume tabs if there are more lines starting with tabs than with spaces.
             let indent_with_tabs = tab_indentations > space_indentations;