diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index b4aee001614..b362361d61e 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -294,7 +294,7 @@ build:macosx:
     - mkdir build
     - mkdir -p tarball/xrootd
     - cd build
-    - /usr/local/bin/cmake -D ZLIB_INCLUDE_DIR=/usr/local/Cellar/zlib/1.2.8/include/ -D OPENSSL_INCLUDE_DIR=/usr/local/Cellar/openssl/1.0.2t/include/ -D OPENSSL_SSL_LIBRARY=/usr/local/Cellar/openssl/1.0.2t/lib/libssl.dylib -D OPENSSL_CRYPTO_LIBRARY=/usr/local/Cellar/openssl/1.0.2t/lib/libcrypto.1.0.0.dylib -DCMAKE_INSTALL_PREFIX=../tarball/xrootd ..
+    - cmake -DCMAKE_PREFIX_PATH='/usr/local/opt/zlib;/usr/local/opt/openssl' -DCMAKE_INSTALL_PREFIX=../tarball/xrootd ..
     - cd src/XrdCl/
     - make -j4
     - make install