diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index d05bb05c84b45e3b2b07b7d377c8c4558d89f7c0..95ab4a6c50465de2cd8fba342e01b19f12787f34 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -28,6 +28,9 @@ check_style:
     - export EASYBUILD_ROBOT="$EASYBUILD_ROBOT:$CI_PROJECT_DIR/Overlays/$i"
     - done
     - export EASYBUILD_MODULE_NAMING_SCHEME="FlexibleCustomHierarchicalMNS"
+    - export EASYBUILD_MODULECLASSES="astro,base,bio,cae,chem,compiler,data,debugger,devel,"
+    - export EASYBUILD_MODULECLASSES=$EASYBUILD_MODULECLASSES"geo,ide,lang,lib,math,mpi,numlib,perf,phys,quantum,sidecompiler,"
+    - export EASYBUILD_MODULECLASSES=$EASYBUILD_MODULECLASSES"system,toolchain,tools,vis"
     - faulty=""
     - export TIP_COMMIT=$CI_COMMIT_SHA
     - if [ "x$CI_COMMIT_BRANCH" = "x$TARGET_BRANCH" ]; then