diff --git a/.github/workflows/R-CMD-check.yaml b/.github/workflows/R-CMD-check.yaml
index c493e1a..5f2d89f 100644
--- a/.github/workflows/R-CMD-check.yaml
+++ b/.github/workflows/R-CMD-check.yaml
@@ -54,5 +54,5 @@ jobs:
       - uses: r-lib/actions/check-r-package@v2
         with:
           upload-snapshots: true
-	  args: 'c("--ignore-vignettes")'
+          args: 'c("--ignore-vignettes")'
           build_args: 'c("--no-manual","--compact-vignettes=gs+qpdf","--no-build-vignettes")'