diff --git a/.github/workflows/waf-build-v03.yml b/.github/workflows/waf-build-v03.yml
index 93c2212..f59f10e 100644
--- a/.github/workflows/waf-build-v03.yml
+++ b/.github/workflows/waf-build-v03.yml
@@ -17,7 +17,7 @@
       run: |
         sudo apt-get install pkg-config libssl-dev libsqlite3-dev
         wget -O boost-1.72.0-linux-18.04.tar.gz https://github.com/actions/boost-versions/releases/download/1.72.0-20200608.4/boost-1.72.0-linux-18.04-gcc-x64.tar.gz > /dev/null 2>&1
-        tar -zxvf boost-1.72.0-linux-18.04.tar.gz
+        tar -xzf boost-1.72.0-linux-18.04.tar.gz
         cd boost-1.72.0-linux-18.04
         ./bootstrap.sh > /dev/null 2>&1
         sudo ./b2 install > /dev/null 2>&1