diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 5c18031108e8442d13a92c8cb8c20bf0625996ec..64abe2e2aa0e6177bea66b5a5510c68d6bf35b70 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -59,7 +59,7 @@ slc6-gcc62-XERCESC:
     - cd ../examples/
     - mkdir build
     - cd build
-    - cmake -GNinja ..
+    - cmake -GNinja -DXERCESC_ROOT_DIR=${XercesC_HOME} ..
     - ninja
     - ninja install
     - ctest --output-on-failure