diff --git a/states/firefox/install.sls b/states/firefox/install.sls
index b50083e..335c91a 100644
--- a/states/firefox/install.sls
+++ b/states/firefox/install.sls
@@ -3,7 +3,7 @@
 firefox-archive-extract:
   archive.extracted:
     - name: {{ firefox.release_dir }}/firefox-{{ firefox.version }}
-    - source: {{ firefox.mirror }}/{{ firefox.version }}/{{ firefox.platform }}/{{ firefox.lang }}/firefox-{{ firefox.version }}.tar.bz2
+    - source: {{ firefox.mirror }}/{{ firefox.version }}/{{ firefox.platform }}/{{ firefox.lang }}/firefox-{{ firefox.version }}.tar.xz
     - skip_verify: true
     - archive_format: tar
     - enforce_toplevel: false