diff --git a/.github/workflows/ubuntu-main.yml b/.github/workflows/ubuntu-main.yml
index ba529a22..6e30f5ed 100644
--- a/.github/workflows/ubuntu-main.yml
+++ b/.github/workflows/ubuntu-main.yml
@@ -118,7 +118,7 @@ jobs:
       # Configure CMake in a 'build' subdirectory. `CMAKE_BUILD_TYPE` is only required if you are using a single-configuration generator such as make.
       # See https://cmake.org/cmake/help/latest/variable/CMAKE_BUILD_TYPE.html?highlight=cmake_build_type
       run: |
-        XONAME=xo-unit
+        XONAME=xo-flatstring
         BUILDDIR=${{github.workspace}}/build_${XONAME}
         PREFIX=${{github.workspace}}/local