diff --git a/.github/workflows/R-check.yml b/.github/workflows/R-check.yml
index 0404441..30bb513 100644
--- a/.github/workflows/R-check.yml
+++ b/.github/workflows/R-check.yml
@@ -13,7 +13,7 @@ jobs:
       matrix:
         config:
         - { os: windows-latest, r: 'release', args: "--no-manual"}
-        - { os: macOS-latest, r: 'oldrel'}
+        - { os: macOS-latest, r: 'oldrel', args: "--no-manual"}
         - { os: macOS-latest, r: 'release'}
         - { os: macOS-latest, r: 'devel'}
         - { os: ubuntu-16.04, r: 'release', rspm: "https://packagemanager.rstudio.com/cran/__linux__/xenial/latest"}