diff --git a/.github/workflows/cypress-custom.yml b/.github/workflows/cypress-custom.yml
index 0acaead5d4..20bba6b4b0 100644
--- a/.github/workflows/cypress-custom.yml
+++ b/.github/workflows/cypress-custom.yml
@@ -55,6 +55,7 @@ jobs:
           ref: ${{ matrix.server-versions }}
 
       - name: Checkout viewer
+        if: matrix.server-versions != 'master'
         uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           persist-credentials: false