diff --git a/src/libslic3r/Brim.cpp b/src/libslic3r/Brim.cpp
index 48e62693d..b3301dbb6 100644
--- a/src/libslic3r/Brim.cpp
+++ b/src/libslic3r/Brim.cpp
@@ -13,6 +13,8 @@
 #include <unordered_set>
 #include <tbb/parallel_for.h>
 
+#include <boost/log/trivial.hpp>
+
 #ifndef NDEBUG
     // #define BRIM_DEBUG_TO_SVG
 #endif
diff --git a/src/libslic3r/Config.cpp b/src/libslic3r/Config.cpp
index 503635098..2936e3176 100644
--- a/src/libslic3r/Config.cpp
+++ b/src/libslic3r/Config.cpp
@@ -17,6 +17,7 @@
 #include <boost/config.hpp>
 #include <boost/foreach.hpp>
 #include <boost/lexical_cast.hpp>
+#include <boost/log/trivial.hpp>
 #include <boost/nowide/cenv.hpp>
 #include <boost/nowide/iostream.hpp>
 #include <boost/nowide/fstream.hpp>