diff --git a/.github/workflows/ci-build.yml b/.github/workflows/ci-build.yml
index 952e860e4a..5b69c1eea1 100644
--- a/.github/workflows/ci-build.yml
+++ b/.github/workflows/ci-build.yml
@@ -82,7 +82,7 @@ jobs:
           libsdl: libsdl1.2-dev
         - compiler: gcc
           cxxcompiler: g++
-          extra-cmake-parameters: -DOPTION_DEDICATED=ON
+          extra-cmake-parameters: -DOPTION_DEDICATED=ON -DCMAKE_CXX_FLAGS_INIT="-DRANDOM_DEBUG"
 
     runs-on: ubuntu-20.04
     env: