diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index e4299a93c..2e1d903cc 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -446,7 +446,7 @@ jobs:
       - name: 'Build OBS'
         run: CI/linux/02_build_obs.sh --disable-pipewire
         env:
-          UBUNTU_VERSION: $${ matrix.ubuntu }}
+          UBUNTU_VERSION: ${{ matrix.ubuntu }}
 
       - name: 'Run tests'
         if: success()