diff --git a/CMakeLists.txt b/CMakeLists.txt
index 56ee802a0c..a03a4dfe61 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -686,16 +686,18 @@ if(ESPRESSO_BUILD_WITH_WALBERLA)
       walberla::core walberla::domain_decomposition walberla::blockforest
       walberla::boundary walberla::field walberla::lbm walberla::timeloop
       walberla::vtk)
-  if(ESPRESSO_BUILD_WITH_WALBERLA_FFT)
+  if(WALBERLA_BUILD_WITH_FFTW)
     set(WALBERLA_LIBS ${WALBERLA_LIBS} walberla::fft)
   endif()
-  if(ESPRESSO_BUILD_WITH_CUDA AND WALBERLA_BUILD_WITH_CUDA)
+  if(WALBERLA_BUILD_WITH_CUDA)
     set(WALBERLA_LIBS ${WALBERLA_LIBS} walberla::gpu)
   endif()
   # workaround for https://gitlab.kitware.com/cmake/cmake/-/issues/21283
   foreach(target_w_namespace IN LISTS WALBERLA_LIBS)
     string(REPLACE "walberla::" "" target_wo_namespace ${target_w_namespace})
     add_library(${target_w_namespace} ALIAS ${target_wo_namespace})
+    install(TARGETS ${target_wo_namespace}
+            LIBRARY DESTINATION ${ESPRESSO_INSTALL_PYTHON}/espressomd)
   endforeach()
   if(ESPRESSO_BUILD_WITH_WALBERLA_AVX)
     function(espresso_avx_flags_callback COMPILER_AVX2_FLAG)
diff --git a/doc/sphinx/running.rst b/doc/sphinx/running.rst
index 2ab5ebaf66..bc4eb4823b 100644
--- a/doc/sphinx/running.rst
+++ b/doc/sphinx/running.rst
@@ -769,7 +769,7 @@ FPE
 .. note::
 
     Requires specific compiler and linker flags, enabled with the CMake option
-    ``-D ESPRESSO_BUILD_WITH_FPE=ON -D CMAKE_BUILD_TYPE=RelWithDebInfo``.
+    ``-D ESPRESSO_BUILD_WITH_FPE=ON -D CMAKE_BUILD_TYPE=Debug``.
 
 When abnormal mathematical operations take place at runtime,
 for example divisions by zero, multiplication of infinity with zero,
diff --git a/src/core/unit_tests/EspressoSystemStandAlone_test.cpp b/src/core/unit_tests/EspressoSystemStandAlone_test.cpp
index bbc0e4bbe4..ab489668f0 100644
--- a/src/core/unit_tests/EspressoSystemStandAlone_test.cpp
+++ b/src/core/unit_tests/EspressoSystemStandAlone_test.cpp
@@ -97,7 +97,7 @@ BOOST_FIXTURE_TEST_CASE(espresso_system_stand_alone, ParticleFactory) {
   auto const comm = boost::mpi::communicator();
   auto const rank = comm.rank();
   auto const n_nodes = comm.size();
-#ifdef FPE
+#if defined(FPE) and not defined (__APPLE__)
   auto const trap = fe_trap::make_unique_scoped();
 #endif