diff --git a/winehelper b/winehelper
index 1059d6e..8a970c7 100755
--- a/winehelper
+++ b/winehelper
@@ -1415,12 +1415,14 @@ create_base_pfx () {
     export WINEPREFIX="$1"
     check_prefix_var
 
-    local prefix_dir="$WINEPREFIX"
-    local drive_c_dir="$prefix_dir/drive_c"
-    local users_dir="$drive_c_dir/users"
-    local archive_path="$WH_TMP_DIR/pfx/new_${PREFIX_NAME}.tar.xz"
+    local prefix_dir drive_c_dir users_dir archive_path
+    prefix_dir="$WINEPREFIX"
+    drive_c_dir="$prefix_dir/drive_c"
+    users_dir="$drive_c_dir/users"
+    archive_path="$WH_TMP_DIR/pfx/new_${PREFIX_NAME}.tar.xz"
 
     try_copy_dir "$prefix_dir" "${prefix_dir}_bak"
+    create_new_dir "$WH_TMP_DIR/pfx/"
 
     for wtlog in workaround isolate internal winxp win2 win7 win10
     do sed -i "/$wtlog/d" "$prefix_dir/winetricks.log"