diff --git a/.docker/Dockerfile b/.docker/Dockerfile
index 5448f514102e1ffcd1b2fd52c903e35e6cadd722..64ec61a347863b7da00919e2fcd58b1dbefa19c3 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 .
+RUN cmake --install . --prefix /usr/local/
 
 COPY . /caosdb-cppinttest
 WORKDIR /caosdb-cppinttest