diff --git a/.github/workflows/update-os.yml b/.github/workflows/update-os.yml
index 2efb257..aa1e972 100644
--- a/.github/workflows/update-os.yml
+++ b/.github/workflows/update-os.yml
@@ -52,8 +52,8 @@ jobs:
             for f in *.py; do python3 "$f"; done
 
             # install deps for 12.48" display
-            wget https://github.com/aceinnolab/Inkycal/blob/assets/Repo/bcm2835-1.71.tar
-            tar -xvf bcm2835-1.71.tar
+            wget https://github.com/aceinnolab/Inkycal/blob/assets/Repo/bcm2835-1.71.tar.gz
+            tar zxvf bcm2835-1.71.tar.gz
             cd bcm2835-1.71/
             sudo ./configure && sudo make && sudo make check && sudo make install
             cd ..