diff --git a/shell/alias/btrfs.sh b/shell/alias/btrfs.sh
index 6b4392c..c72346d 100644
--- a/shell/alias/btrfs.sh
+++ b/shell/alias/btrfs.sh
@@ -1,15 +1,17 @@
-alias bfdf="\
-btrfs \
-filesystem \
-df \
-"
+bfdf() {
+	btrfs \
+		filesystem \
+		df \
+		"${@}"
+}
 
-alias bfdu="\
-btrfs \
-filesystem \
-du \
---summarize \
-"
+bfdu() {
+	btrfs \
+		filesystem \
+		du \
+		--summarize \
+		"${@}"
+}
 
 alias bfu="\
 btrfs \