diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 2f80129..dd45175 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -41,14 +41,14 @@ jobs:
         with:
           python-version: ${{ matrix.python-version }}
 
-      - name: Setup Firefox ${{ matrix.firefox }}
+      - name: Setup Firefox ${{ matrix.nss-source }}
         if: |
           startsWith(matrix.nss-source, 'latest') && (
             matrix.os == 'ubuntu' || matrix.os == 'windows'
           )
         uses: browser-actions/setup-firefox@latest
         with:
-          firefox-version: ${{ matrix.firefox }}
+          firefox-version: ${{ matrix.nss-source }}
 
       - name: Install nss via homebrew
         if: |