diff --git a/archiso/scripts/show-diff.fish b/archiso/scripts/show-diff.fish
index e62fe192..867f2457 100755
--- a/archiso/scripts/show-diff.fish
+++ b/archiso/scripts/show-diff.fish
@@ -9,6 +9,7 @@ begin
         source "$dir/template-path.fish"
         rm -rf "$contextRoot"
         and cp -r "$(templatePath)" "$contextRoot"
+        and chmod -R a+w "$contextRoot"
         and git init "$contextRoot"
         and git -C "$contextRoot" add .