diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 93f62e6..efa648d 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -6,7 +6,6 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, debian-11]
-        c3_tar: [c3-ubuntu-20.tar.gz, c3-linux.tar.gz]
     steps:
       - name: Check out repository code
         uses: actions/checkout@v4
@@ -16,11 +15,14 @@ jobs:
           sudo apt-get update
           sudo apt-get install libglfw3 libglfw3-dev libgles2-mesa-dev
 
+      - name: Set tarball based on OS
+        run: echo "TARBALL_URL=https://github.com/c3lang/c3c/releases/download/latest/c3-${{ matrix.os == 'ubuntu-latest' && 'ubuntu-20' || 'linux' }}.tar.gz" >> $GITHUB_ENV
+
       - name: Download c3 tool
-        run: wget https://github.com/c3lang/c3c/releases/download/latest/${{ matrix.c3_tar }}
+        run: wget ${{ env.TARBALL_URL }}
 
       - name: Extract c3 tool
-        run: tar xvf ${{ matrix.c3_tar }}
+        run: tar xvf c3-*.tar.gz
 
       - name: Build with c3
         run: ./c3/c3c build examples_template