diff --git a/.github/workflows/test_fredi.yml b/.github/workflows/test_fredi.yml
index 1338e0a3..b4b52fd4 100644
--- a/.github/workflows/test_fredi.yml
+++ b/.github/workflows/test_fredi.yml
@@ -61,7 +61,7 @@ jobs:
           Rscript -e '
             devtools::install_github(
               repo    = "https://github.com/USEPA/FrEDI",
-              ref     = ${{ github.ref_name }},
+              ref     = "${{ github.ref_name }}"",
               subdir  = "FrEDI",
               dependencies = FALSE,
               upgrade = "never",