diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 187b5799f76877cf1d2b993a4f6437044b946e20..c26b3d93e4d4b43d7255b142b956a64cbaccf80e 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -33,17 +33,18 @@ native_Debian:
     - build/py/wheel/manylinux/*.whl
     expire_in: 10 days
 
+.aux1: &compile_dependency
+  - mkdir build
+  - cd build
+  - cmake .. -DCMAKE_CXX_COMPILER_LAUNCHER=ccache
+  - make -j4
+  - ctest
+  - make install
+
 debian_oldstable_py38:
   tags:
     - LinuxDocker
   image: scg-debian-oldstable:latest
-  aux1: &compile_dependency
-    - mkdir build
-    - cd build
-    - cmake .. -DCMAKE_CXX_COMPILER_LAUNCHER=ccache
-    - make -j4
-    - ctest
-    - make install
   before_script:
     - pyenv global 3.8
   stage: build