diff --git a/shell/alias/btrfs.sh b/shell/alias/btrfs.sh
index c72346d..6e8e0f2 100644
--- a/shell/alias/btrfs.sh
+++ b/shell/alias/btrfs.sh
@@ -13,11 +13,12 @@ bfdu() {
 		"${@}"
 }
 
-alias bfu="\
-btrfs \
-filesystem \
-usage \
-"
+bfu() {
+	btrfs \
+		filesystem \
+		usage \
+		"${@}"
+}
 
 alias bpg="\
 btrfs \