diff --git a/dotnet-runtime-6.0/eng/native/genmoduleindex.sh b/dotnet-runtime-6.0/eng/native/genmoduleindex.sh

index 399a972d7..bc95bb2b6 100755

--- a/dotnet-runtime-6.0/eng/native/genmoduleindex.sh

+++ b/dotnet-runtime-6.0/eng/native/genmoduleindex.sh

@@ -28,7 +28,7 @@ Darwin)

   cmd="dwarfdump -u $1"

   pattern='^UUID: ([0-9A-Fa-f\-]+)';;

 *)

-  cmd="readelf -n $1"

+  cmd="readelf -n $1 | sed -e 's|.*\(Build ID\)|\1|'"

   pattern='^[[:space:]]*Build ID: ([0-9A-Fa-f\-]+)';;

 esac