diff --git a/src/index/metadata.rs b/src/index/metadata.rs
index 8355d1d..e867c50 100644
--- a/src/index/metadata.rs
+++ b/src/index/metadata.rs
@@ -193,15 +193,20 @@ fn read_opus(path: &Path) -> Result<SongTags> {
 	};
 
 	for (key, value) in headers.comments.user_comments {
-		match key.to_uppercase().as_str() {
-			"TITLE" => tags.title = Some(value),
-			"ALBUM" => tags.album = Some(value),
-			"ARTIST" => tags.artist = Some(value),
-			"ALBUMARTIST" => tags.album_artist = Some(value),
-			"TRACKNUMBER" => tags.track_number = value.parse::<u32>().ok(),
-			"DISCNUMBER" => tags.disc_number = value.parse::<u32>().ok(),
-			"DATE" => tags.year = value.parse::<i32>().ok(),
-			_ => (),
+		if "TITLE".eq_ignore_ascii_case(key.as_str()) {
+			tags.title = Some(value);
+		} else if "ALBUM".eq_ignore_ascii_case(key.as_str()) {
+			tags.album = Some(value);
+		} else if "ARTIST".eq_ignore_ascii_case(key.as_str()) {
+			tags.artist = Some(value);
+		} else if "ALBUMARTIST".eq_ignore_ascii_case(key.as_str()) {
+			tags.album_artist = Some(value);
+		} else if "TRACKNUMBER".eq_ignore_ascii_case(key.as_str()) {
+			tags.track_number = value.parse::<u32>().ok();
+		} else if "DISCNUMBER".eq_ignore_ascii_case(key.as_str()) {
+			tags.disc_number = value.parse::<u32>().ok();
+		} else if "DATE".eq_ignore_ascii_case(key.as_str()) {
+			tags.year = value.parse::<i32>().ok();
 		}
 	}