diff --git a/include/Pitch.h b/include/Pitch.h
index 8a9b371b4..2f866a1c5 100644
--- a/include/Pitch.h
+++ b/include/Pitch.h
@@ -25,6 +25,8 @@
 #ifndef PITCH_H
 #define PITCH_H
 
+#include <cstdint>
+
 typedef int16_t pitch_t;
 
 const pitch_t CentsPerSemitone = 100;
diff --git a/include/panning.h b/include/panning.h
index 8994df9ab..c043adf5c 100644
--- a/include/panning.h
+++ b/include/panning.h
@@ -29,6 +29,7 @@
 #include "lmms_basics.h"
 #include "panning_constants.h"
 #include "Midi.h"
+#include "volume.h"
 
 inline stereoVolumeVector panningToVolumeVector( panning_t _p,
 							float _scale = 1.0f )