diff --git a/.github/workflows/R-CMD-check-daily.yaml b/.github/workflows/R-CMD-check-daily.yaml
index f6bee3d..d97b256 100644
--- a/.github/workflows/R-CMD-check-daily.yaml
+++ b/.github/workflows/R-CMD-check-daily.yaml
@@ -27,7 +27,7 @@ jobs:
       - name: Check
         run: |
           options(crayon.enabled = TRUE)
-          rcmdcheck::rcmdcheck(args = c("--no-manual", "--as-cran"), error_on = "warning", check_dir = "check")
+          rcmdcheck::rcmdcheck(args = c("--no-manual", "--as-cran"), error_on = "error", check_dir = "check")
         shell: Rscript {0}
 
       - name: Test live dataverse in vignettes