diff --git a/sources/core/dsp.h b/sources/core/dsp.h
index 5e3b1c6..b1a4f2d 100644
--- a/sources/core/dsp.h
+++ b/sources/core/dsp.h
@@ -5,6 +5,7 @@
 #pragma once

 #include <jsl/dynarray>
+#include <cstdint>

 namespace dsp {

 uint32_t fastrandom(uint32_t *pseed);

diff --git a/sources/fl/main_controller.h b/sources/fl/main_controller.h
index 9a7c6b0..e3d4f1a 100644
--- a/sources/fl/main_controller.h
+++ b/sources/fl/main_controller.h
@@ -6,6 +6,7 @@
 
 #pragma once
 #include <memory>
+#include <cstdint>
 class Message_Queue;
 struct Basic_Message;