diff --git a/.github/workflows/ubuntu-build.yml b/.github/workflows/ubuntu-build.yml
index 728e2f0f..0d73621e 100644
--- a/.github/workflows/ubuntu-build.yml
+++ b/.github/workflows/ubuntu-build.yml
@@ -25,7 +25,7 @@ jobs:
       - name: build
         run: |
           mkdir build
-          cmake -DBUILD_SAMPLES=OFF -DBUILD_TESTS=OFF -DOPENGL_SHADER_OUTPUT=OFF -S . -B build
+          cmake -DBUILD_SAMPLES=OFF -DBUILD_TESTS=OFF -DOPENGL_SHADER_OUTPUT=ON -S . -B build
           cd build
           make
       - name: test