diff --git a/src/libslic3r/GCode/Analyzer.cpp b/src/libslic3r/GCode/Analyzer.cpp
index a2a809ca3..885c5e9e8 100644
--- a/src/libslic3r/GCode/Analyzer.cpp
+++ b/src/libslic3r/GCode/Analyzer.cpp
@@ -8,6 +8,9 @@
 #include "Print.hpp"
 
 #include <boost/log/trivial.hpp>
+#if ENABLE_GCODE_VIEWER_DEBUG_OUTPUT
+#include <boost/filesystem/path.hpp>
+#endif // ENABLE_GCODE_VIEWER_DEBUG_OUTPUT
 
 #include "Analyzer.hpp"
 #include "PreviewData.hpp"
diff --git a/src/libslic3r/GCode/GCodeProcessor.hpp b/src/libslic3r/GCode/GCodeProcessor.hpp
index 537617485..0fa8187fd 100644
--- a/src/libslic3r/GCode/GCodeProcessor.hpp
+++ b/src/libslic3r/GCode/GCodeProcessor.hpp
@@ -6,6 +6,8 @@
 #include "../Point.hpp"
 #include "../ExtrusionEntity.hpp"
 
+#include <array>
+
 namespace Slic3r {
 
     class GCodeProcessor