diff --git a/crates/editor/src/editor.rs b/crates/editor/src/editor.rs
index 72ff50050fee7cc1e6c60c8e461c213b4487f298..764b40ddb79b32421430616a308ed44408cfde46 100644
--- a/crates/editor/src/editor.rs
+++ b/crates/editor/src/editor.rs
@@ -2680,7 +2680,7 @@ impl Editor {
                     file.full_path(cx)
                         .extension()?
                         .to_string_lossy()
-                        .into_owned(),
+                        .to_lowercase(),
                 )
             }) {
                 key_context.set("extension", extension);