diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index f112fc8218751fd4beae602e2f48d6dc22c39443..fa7524088d46dbe19a6bddc4075677826fb27d91 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -13,6 +13,7 @@ native_Debian_clang:
     - export CC=gcc; export CXX=g++
     - export PYTHONPATH=$CI_PROJECT_DIR/build/lib
     - export MPLBACKEND=Agg
+    - QTCMAKE="/usr/local/Qt6/6.2.3/gcc_64/lib/cmake"
     - cmake --version
     - clang --version
   stage: build
@@ -20,7 +21,7 @@ native_Debian_clang:
     - env
     - mkdir build
     - cd build
-    - time cmake .. -DCMAKE_CXX_COMPILER_LAUNCHER=ccache -DBA_PY_PACKAGE=ON -DCMAKE_PREFIX_PATH=$QCMAKE -DZERO_TOLERANCE=ON
+    - time cmake .. -DCMAKE_CXX_COMPILER_LAUNCHER=ccache -DBA_PY_PACKAGE=ON -DCMAKE_PREFIX_PATH=$QTCMAKE -DZERO_TOLERANCE=ON
     - time make -j24
     - time xvfb-run -a ctest -j16 --output-on-failure
     - time make package_source
@@ -43,7 +44,7 @@ versiondocs:
     - hugo version
     - mkdir build
     - cd build
-    - time cmake .. -DCMAKE_CXX_COMPILER_LAUNCHER=ccache -DCMAKE_PREFIX_PATH=$QCMAKE
+    - time cmake .. -DCMAKE_CXX_COMPILER_LAUNCHER=ccache -DCMAKE_PREFIX_PATH=$QTCMAKE
     - time make -j8
     - time make -j8 webdoc
     - rm -rf ~www/ba/git-main/hugo-public