diff --git a/src/CBot/CBotFileUtils.h b/src/CBot/CBotFileUtils.h
index dccefc78..757f31a1 100644
--- a/src/CBot/CBotFileUtils.h
+++ b/src/CBot/CBotFileUtils.h
@@ -19,6 +19,7 @@
 
 #pragma once
 
+#include <cstdint>
 #include <iostream>
 #include <string>
 
diff --git a/src/CBot/CBotInstr/CBotExprLitChar.h b/src/CBot/CBotInstr/CBotExprLitChar.h
index ab04cd3d..cca338f8 100644
--- a/src/CBot/CBotInstr/CBotExprLitChar.h
+++ b/src/CBot/CBotInstr/CBotExprLitChar.h
@@ -21,6 +21,8 @@
 
 #include "CBot/CBotInstr/CBotInstr.h"
 
+#include <cstdint>
+
 namespace CBot
 {
 
diff --git a/src/CBot/CBotStack.cpp b/src/CBot/CBotStack.cpp
index 3a73d373..0d63ea90 100644
--- a/src/CBot/CBotStack.cpp
+++ b/src/CBot/CBotStack.cpp
@@ -30,6 +30,7 @@
 #include "CBot/CBotExternalCall.h"
 
 #include <cassert>
+#include <cstdint>
 #include <cstdlib>
 #include <cstring>
 
diff --git a/src/CBot/CBotVar/CBotVar.h b/src/CBot/CBotVar/CBotVar.h
index c9739e3f..3cb628e9 100644
--- a/src/CBot/CBotVar/CBotVar.h
+++ b/src/CBot/CBotVar/CBotVar.h
@@ -24,6 +24,7 @@
 #include "CBot/CBotEnums.h"
 #include "CBot/CBotUtils.h"
 
+#include <cstdint>
 #include <string>
 
 namespace CBot
diff --git a/src/object/task/taskgoto.h b/src/object/task/taskgoto.h
index e502c7c8..57a3cb6f 100644
--- a/src/object/task/taskgoto.h
+++ b/src/object/task/taskgoto.h
@@ -24,6 +24,7 @@
 #include "math/vector.h"
 
 #include <array>
+#include <cstdint>
 #include <memory>
 #include <vector>