diff --git a/linux-zen/APKBUILD b/linux-zen/APKBUILD
index 79353a9..c6662e5 100644
--- a/linux-zen/APKBUILD
+++ b/linux-zen/APKBUILD
@@ -51,14 +51,14 @@ license="GPL-2.0-only"
 
 prepare() {
         default_prepare
-
-	for i in $source; do
-		case ${i%::*} in
-			*.patch.zst)
+        
+        for i in $source; do
+                case ${i%::*} in
+                        *.patch.zst)
                                 msg "${i%::*}"
                                 # unzstd ignore symlink. so, realpath does the trick!
-				unzstd -c "$(realpath $srcdir/$(filename_from_uri $i))" | patch ${patch_args:--p1} || failed="$failed $i"
-				;;
+                                unzstd -c "$(realpath $srcdir/$(filename_from_uri $i))" | patch ${patch_args:--p1} || failed="$failed $i"
+                                ;;
                 esac
         done