diff --git a/.github/workflows/update-aggregate-update-sites.yml b/.github/workflows/update-aggregate-update-sites.yml
index f1e82b1d2..4c652c64e 100644
--- a/.github/workflows/update-aggregate-update-sites.yml
+++ b/.github/workflows/update-aggregate-update-sites.yml
@@ -29,7 +29,7 @@ jobs:
           for dir in $dirs
           do
             echo $dir
-            pattern='^e[0-9]\+.[0-9]\+/$'
+            pattern='^e[0-9]+.[0-9]+/$'
             if [[ "$dir" =~ $pattern ]]; then
               echo "eDir ${dir}"  
             fi