diff --git a/CMakeLists.txt b/CMakeLists.txt
index 26f5dc3..adb9ef2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -24,7 +24,8 @@ include(cmake/debug_flags.cmake)
 
 # All dependencies except test dependencies.
 set(CMAKE_FIND_PACKAGE_PREFER_CONFIG TRUE)
-find_package(Boost 1.65.0 REQUIRED COMPONENTS locale log program_options regex)
+find_package(Boost 1.65.0 REQUIRED
+  COMPONENTS locale log_setup log program_options regex)
 find_package(Gettext REQUIRED)
 find_package(Filesystem REQUIRED COMPONENTS Final Experimental)
 find_package(LibArchive 3.2 REQUIRED)
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 3bb5866..717340e 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -15,14 +15,11 @@ target_sources(${PROJECT_NAME}_lib
 unset(sources_src)
 unset(headers_src)
 
-# Older CMake versions apparently need this, but I don't know in which version
-# it changed. Theoretically Boost::dynamic_linking should take care of it.
-set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DBOOST_LOG_DYN_LINK")
-
 target_link_libraries(${PROJECT_NAME}_lib
   PUBLIC
   Boost::dynamic_linking
   Boost::locale
+  Boost::log_setup
   Boost::log
   Boost::program_options
   Boost::regex