diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 6e504dcfa..b909ed429 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -39,9 +39,10 @@ jobs:
           - os:  ${{ github.event_name == 'pull_request' && 'ubuntu-18.04' || 'do-not-exclude' }}
           - os:  ${{ github.event_name == 'pull_request' && 'ubuntu-20.04' || 'do-not-exclude' }}
           - m32: ${{ github.event_name == 'pull_request' && 1              || 'do-not-exclude' }}
-          # Build -m32 only on ubuntu-22.04
+          # Build -m32 only on ubuntu-22.04 clang++
           - {os: ubuntu-18.04, m32: 1}
           - {os: ubuntu-20.04, m32: 1}
+          - {cc: g++, m32: 1}
         include:
           # Build GCC 10 on ubuntu-20.04
           - os: ubuntu-20.04