diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index a0d1c24e9075..614cc09420b1 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -398,7 +398,7 @@ jobs:
         - ${{ github.workspace }}:/src
       env:
         SYTEST_BRANCH: ${{ github.head_ref }}
-        POSTGRES: ${{ matrix.job.postgres && 1}}
+        POSTGRES: ${{ matrix.job.postgres == 'postgres' && 1}}
         MULTI_POSTGRES: ${{ (matrix.job.postgres == 'multi-postgres') && 1}}
         ASYNCIO_REACTOR: ${{ (matrix.job.reactor == 'asyncio') && 1 }}
         WORKERS: ${{ matrix.job.workers && 1 }}