diff --git a/src/slic3r/GUI/TaskManager.hpp b/src/slic3r/GUI/TaskManager.hpp
index b3b99d908..5a2abd5a8 100644
--- a/src/slic3r/GUI/TaskManager.hpp
+++ b/src/slic3r/GUI/TaskManager.hpp
@@ -3,6 +3,7 @@
 
 #include "DeviceManager.hpp"
 #include <boost/date_time/posix_time/posix_time.hpp>
+#include <boost/log/trivial.hpp>
 
 namespace Slic3r { 
 
diff --git a/src/slic3r/Utils/FontUtils.cpp b/src/slic3r/Utils/FontUtils.cpp
index 0b8823044..15b274491 100644
--- a/src/slic3r/Utils/FontUtils.cpp
+++ b/src/slic3r/Utils/FontUtils.cpp
@@ -1,6 +1,7 @@
 #include "FontUtils.hpp"
 #include "imgui/imstb_truetype.h"
 #include "libslic3r/Utils.hpp"
+#include <boost/log/trivial.hpp>
 
 #if defined(__APPLE__)
 #include <CoreText/CTFont.h>