diff --git a/.docker/Dockerfile b/.docker/Dockerfile
index e7a17cb1c537b9cfe798516f237c5b61d9d33ff2..5448f514102e1ffcd1b2fd52c903e35e6cadd722 100644
--- a/.docker/Dockerfile
+++ b/.docker/Dockerfile
@@ -9,7 +9,7 @@ RUN mkdir build
 WORKDIR /libcaosdb/build
 RUN cmake -D INSTALL_DIR_NAME=libcaosdb ..
 RUN cmake --build .
-RUN cmake --install . --prefix /usr/local/
+RUN cmake --install .
 
 COPY . /caosdb-cppinttest
 WORKDIR /caosdb-cppinttest
@@ -21,7 +21,7 @@ RUN apt-get install -y openjdk-11-jdk-headless
 # build and run tests
 CMD mkdir build && \
     cd build && \
-    cmake -D CMAKE_PREFIX_PATH=/usr/local/lib/libcaosdb .. && \
+    cmake .. && \
     cmake --build . && \
     /wait-for-it.sh caosdb-server:10443 -t 500 -- \
     ctest
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 4c10280ad0d2eefbd3858fa727678608dff3b586..63263bba90cb14ab8583bb99843c1625fcb4ced5 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -114,7 +114,7 @@ build-test:
     - echo $PWD
     - mkdir build
     - cd build
-    - cmake -D CMAKE_PREFIX_PATH=/usr/local/lib/libcaosdb ..
+    - cmake ..
     - cmake --build .