diff --git a/.github/workflows/check-bioc.yml b/.github/workflows/check-bioc.yml
index 4ffc200..40c11ec 100644
--- a/.github/workflows/check-bioc.yml
+++ b/.github/workflows/check-bioc.yml
@@ -170,7 +170,12 @@ jobs:
           ## Alternatively use https://storage.googleapis.com/bioconductor_docker/packages/
           ## though based on https://bit.ly/bioc2021-package-binaries
           ## the Azure link will be the main one going forward.
-          gha_repos <- if(.Platform$OS.type == "unix") c("AnVIL" = "https://bioconductordocker.blob.core.windows.net/packages/3.14/bioc", BiocManager::repositories()) else BiocManager::repositories()
+          gha_repos <- if(
+              .Platform$OS.type == "unix" && Sys.info()["sysname"] != "Darwin"
+          ) c(
+              "AnVIL" = "https://bioconductordocker.blob.core.windows.net/packages/3.14/bioc",
+              BiocManager::repositories()
+              ) else BiocManager::repositories()
 
           ## For running the checks
           message(paste('****', Sys.time(), 'installing rcmdcheck and BiocCheck ****'))