diff --git a/archiso/scripts/show-diff.sh b/archiso/scripts/show-diff.sh
index 3fbd1969..8e4540a8 100755
--- a/archiso/scripts/show-diff.sh
+++ b/archiso/scripts/show-diff.sh
@@ -1,2 +1,10 @@
 #!/bin/bash
-diff -ru --no-dereference -x{.git,.gitignore,README.md,scripts,LICENSE,out,valhalla.patch} "$(dirname "$(which mkarchiso)")/../share/archiso/configs/releng" .
+# Shows the differences between Arch's original `archiso` template named `releng` and this `archiso` directory.
+pushd "${BASH_SOURCE%/*}" > /dev/null;
+
+. ./template-path.sh;
+
+diff -ru --no-dereference -x{.git,.gitignore,README.md,scripts,LICENSE,out,valhalla.patch} .. "$(templatePath)" \
+    | tee "valhalla.patch";
+
+popd > /dev/null;
diff --git a/archiso/scripts/template-path.sh b/archiso/scripts/template-path.sh
new file mode 100755
index 00000000..702ee2cf
--- /dev/null
+++ b/archiso/scripts/template-path.sh
@@ -0,0 +1,5 @@
+#!/bin/bash
+# Prints the path to Arch's `releng` template.
+function templatePath() {
+    echo "$(dirname "$(which mkarchiso)")/../share/archiso/configs/releng"
+}