diff --git a/.github/workflows/build_viewer.yml b/.github/workflows/build_viewer.yml
index 282225e71d..c5e2b1cf26 100644
--- a/.github/workflows/build_viewer.yml
+++ b/.github/workflows/build_viewer.yml
@@ -167,7 +167,7 @@ jobs:
             path_sep="\\"
           fi
           function find_most_recent_bundle() {
-            local pattern="$1.*$2.*"
+            local pattern="$1-.*$2-.*"
             local most_recent_file=$(ls -t "${{ github.workspace }}" | grep "$pattern" | head -1)
             if [ -z "$most_recent_file" ]; then
               echo ""