diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 7f88a9bb..1d14fa9a 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -144,7 +144,7 @@ test_ubuntu:
 test_guidelines:
   stage: test
   script:
-    - docker run netgen_${CI_BUILD_REF_NAME}_${UBUNTU_VERSION}.id -e CCACHE_DIR=/ccache -v /mnt/ccache:/ccache netgen_${CI_BUILD_REF_NAME}:${UBUNTU_VERSION} bash /root/src/netgen/tests/build_guidelines.sh
+    - docker run -e CCACHE_DIR=/ccache -v /mnt/ccache:/ccache netgen_${CI_BUILD_REF_NAME}:${UBUNTU_VERSION} bash /root/src/netgen/tests/build_guidelines.sh
   when: always
 ############################################
 # Deploy stage
diff --git a/external_dependencies/pybind11 b/external_dependencies/pybind11
index 2a150736..e0f3a766 160000
--- a/external_dependencies/pybind11
+++ b/external_dependencies/pybind11
@@ -1 +1 @@
-Subproject commit 2a150736601bb3113877bb673fb934bb60d46ec5
+Subproject commit e0f3a766e951ebbf2aadb31f41eb490de5bb607e
diff --git a/libsrc/core/CMakeLists.txt b/libsrc/core/CMakeLists.txt
index 337bbfaa..9de7701f 100644
--- a/libsrc/core/CMakeLists.txt
+++ b/libsrc/core/CMakeLists.txt
@@ -1,7 +1,5 @@
+add_library(ngcore SHARED archive.cpp version.cpp)
 
-add_library(ngcore archive.cpp version.cpp)
-
-set_target_properties(ngcore PROPERTIES POSITION_INDEPENDENT_CODE ON )
 target_compile_definitions(ngcore PRIVATE -DNGCORE_EXPORTS)
 
 install(TARGETS ngcore DESTINATION ${NG_INSTALL_DIR} COMPONENT netgen)