diff --git a/application/application.cpp b/application/application.cpp
index 362d9416..f8e55f84 100644
--- a/application/application.cpp
+++ b/application/application.cpp
@@ -1,4 +1,5 @@
 module;
+#include <cstdint>
 #include <array>
 #include <cstddef>
 #include <ios>
diff --git a/application/driveruipanels.cppm b/application/driveruipanels.cppm
index ffdcfe00..413375a0 100644
--- a/application/driveruipanels.cppm
+++ b/application/driveruipanels.cppm
@@ -1,4 +1,5 @@
 module;
+#include <cstddef>
 #include <array>
 #include <limits>
 #include <string>
diff --git a/application/editoruipanels.cpp b/application/editoruipanels.cpp
index 7b536d3a..0bfe5233 100644
--- a/application/editoruipanels.cpp
+++ b/application/editoruipanels.cpp
@@ -1,4 +1,5 @@
 module;
+#include <cstddef>
 #include <functional>
 #include <memory>
 #include <random>
diff --git a/application/scenarioloaderuilayer.cpp b/application/scenarioloaderuilayer.cpp
index 0e74ba25..57d16e57 100644
--- a/application/scenarioloaderuilayer.cpp
+++ b/application/scenarioloaderuilayer.cpp
@@ -1,4 +1,6 @@
 module;
+#include <cstddef>
+#include <cstdint>
 #include <fstream>
 #include <ios>
 #include <string>
diff --git a/audio/audio.cpp b/audio/audio.cpp
index 68274b3c..8ad89319 100644
--- a/audio/audio.cpp
+++ b/audio/audio.cpp
@@ -1,4 +1,5 @@
 module;
+#include <cstdint>
 #include <cstddef>
 #include <stdexcept>
 #include <unordered_map>
diff --git a/extras/piped_proc.cppm b/extras/piped_proc.cppm
index 546786d0..869ed492 100644
--- a/extras/piped_proc.cppm
+++ b/extras/piped_proc.cppm
@@ -2,6 +2,7 @@
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 module;
+#include <cstddef>
 #ifdef __unix__
 #include <cstdio>
 #endif
diff --git a/gl/postfx.cpp b/gl/postfx.cpp
index 7cc0e7ba..38c667fb 100644
--- a/gl/postfx.cpp
+++ b/gl/postfx.cpp
@@ -1,4 +1,5 @@
 module;
+#include <cstddef>
 #include <string>
 #include "glad/glad.h"
 #include <vector>
diff --git a/gl/shader.cpp b/gl/shader.cpp
index 44329278..f8b79bd8 100644
--- a/gl/shader.cpp
+++ b/gl/shader.cpp
@@ -1,4 +1,5 @@
 module;
+#include <cstddef>
 #include <stdexcept>
 #include <string>
 #include <utility>
diff --git a/gl/shader.cppm b/gl/shader.cppm
index 41d8ca69..86f26b5f 100644
--- a/gl/shader.cppm
+++ b/gl/shader.cppm
@@ -1,4 +1,5 @@
 module;
+#include <cstddef>
 #include <utility>
 #include "glad/glad.h"
 #include <stdexcept>
diff --git a/gl/ubo.cppm b/gl/ubo.cppm
index 290165c0..3c1e2911 100644
--- a/gl/ubo.cppm
+++ b/gl/ubo.cppm
@@ -1,4 +1,5 @@
 module;
+#include <cstdint>
 #include <cstddef>
 #include "glad/glad.h"
 
diff --git a/input/zmq_input.cpp b/input/zmq_input.cpp
index ed026773..b50e71d3 100644
--- a/input/zmq_input.cpp
+++ b/input/zmq_input.cpp
@@ -1,4 +1,5 @@
 module;
+#include <cstdint>
 #include <chrono>
 #include <map>
 #include <optional>
diff --git a/input/zmq_input.cppm b/input/zmq_input.cppm
index 4632ce95..e3f94f09 100644
--- a/input/zmq_input.cppm
+++ b/input/zmq_input.cppm
@@ -1,4 +1,5 @@
 module;
+#include <cstdint>
 #include <zmq_addon.hpp>
 #include <chrono>
 #include <map>
diff --git a/launcher/scenery_list.cpp b/launcher/scenery_list.cpp
index 8561feee..d8b2cfe7 100644
--- a/launcher/scenery_list.cpp
+++ b/launcher/scenery_list.cpp
@@ -1,4 +1,5 @@
 module;
+#include <cstdint>
 #include <array>
 #include <cstddef>
 #include <memory>
diff --git a/launcher/textures_scanner.cpp b/launcher/textures_scanner.cpp
index c52bf3c6..41cde3d5 100644
--- a/launcher/textures_scanner.cpp
+++ b/launcher/textures_scanner.cpp
@@ -1,4 +1,5 @@
 module;
+#include <cstddef>
 #include <utility>
 #include <ios>
 #include <map>
diff --git a/launcher/vehicle_picker.cpp b/launcher/vehicle_picker.cpp
index c6d62e95..d488e2b6 100644
--- a/launcher/vehicle_picker.cpp
+++ b/launcher/vehicle_picker.cpp
@@ -1,4 +1,5 @@
 module;
+#include <cstddef>
 #include <array>
 #include <map>
 #include <sstream>
diff --git a/model/Texture.cppm b/model/Texture.cppm
index 2bd1bb72..a186587d 100644
--- a/model/Texture.cppm
+++ b/model/Texture.cppm
@@ -7,6 +7,7 @@ obtain one at
 http://mozilla.org/MPL/2.0/.
 */
 module;
+#include <cstdint>
 #include <array>
 #include <atomic>
 #include <cstddef>
diff --git a/network/network.cppm b/network/network.cppm
index d0bac467..487f1ab1 100644
--- a/network/network.cppm
+++ b/network/network.cppm
@@ -1,4 +1,5 @@
 module;
+#include <cstddef>
 #include <string>
 #include <tuple>
 #include <unordered_map>
diff --git a/rendering/screenshot.cpp b/rendering/screenshot.cpp
index 21df083e..3e7c34fa 100644
--- a/rendering/screenshot.cpp
+++ b/rendering/screenshot.cpp
@@ -1,4 +1,5 @@
 module;
+#include <cstdint>
 #include <string>
 #include "utilities/Globals_macros.h"
 #include <png.h>
diff --git a/scripting/PyInt.cpp b/scripting/PyInt.cpp
index c64c010b..68b153fc 100644
--- a/scripting/PyInt.cpp
+++ b/scripting/PyInt.cpp
@@ -1,4 +1,6 @@
 module;
+#include <cstddef>
+#include <cstdint>
 #include <array>
 #include <chrono>
 #include <deque>
diff --git a/utilities/Float3d.cpp b/utilities/Float3d.cpp
index 04944a52..1227809e 100644
--- a/utilities/Float3d.cpp
+++ b/utilities/Float3d.cpp
@@ -1,4 +1,5 @@
 module;
+#include <cstddef>
 #include <istream>
 #include <ostream>
 
diff --git a/utilities/Float3d.cppm b/utilities/Float3d.cppm
index 37220154..4c64f88e 100644
--- a/utilities/Float3d.cppm
+++ b/utilities/Float3d.cppm
@@ -9,6 +9,7 @@ http://mozilla.org/MPL/2.0/.
 
 //---------------------------------------------------------------------------
 module;
+#include <cstddef>
 #include <cmath>
 #include <istream>
 #include <ostream>
diff --git a/utilities/Globals.cpp b/utilities/Globals.cpp
index aa98379d..97d68ec7 100644
--- a/utilities/Globals.cpp
+++ b/utilities/Globals.cpp
@@ -1,4 +1,5 @@
 module;
+#include <cstdint>
 #include <array>
 #include <limits>
 #include <utility>
diff --git a/utilities/Globals.cppm b/utilities/Globals.cppm
index 2ba479ab..4d5b9ef4 100644
--- a/utilities/Globals.cppm
+++ b/utilities/Globals.cppm
@@ -7,6 +7,7 @@ obtain one at
 http://mozilla.org/MPL/2.0/.
 */
 module;
+#include <cstdint>
 #include <array>
 #include <chrono>
 #include <limits>
diff --git a/utilities/Timer.cpp b/utilities/Timer.cpp
index 88bda2b0..3362f462 100644
--- a/utilities/Timer.cpp
+++ b/utilities/Timer.cpp
@@ -1,4 +1,5 @@
 module;
+#include <cstdint>
 #include <chrono>
 #include <ctime>
 #include "utilities/Globals_macros.h"
diff --git a/utilities/glm_module.cppm b/utilities/glm_module.cppm
index a8cfeb6f..fa8f0aa0 100644
--- a/utilities/glm_module.cppm
+++ b/utilities/glm_module.cppm
@@ -46,6 +46,10 @@ export module eu07.glm;
 #pragma clang diagnostic push
 #pragma clang diagnostic ignored "-Winclude-angled-in-module-purview"
 #endif
+#ifdef _MSC_VER
+#pragma warning(push)
+#pragma warning(disable : 5244)
+#endif
 export {
 #include <glm/glm.hpp>
 #include <glm/fwd.hpp>
@@ -71,6 +75,9 @@ export {
 #ifdef __clang__
 #pragma clang diagnostic pop
 #endif
+#ifdef _MSC_VER
+#pragma warning(pop)
+#endif
 
 export {
 // 12-byte vec3 that stays packed regardless of GLM_FORCE_DEFAULT_ALIGNED_GENTYPES.
diff --git a/utilities/headtrack.cpp b/utilities/headtrack.cpp
index e4555416..72e34184 100644
--- a/utilities/headtrack.cpp
+++ b/utilities/headtrack.cpp
@@ -1,4 +1,5 @@
 module;
+#include <cstddef>
 #include <string>
 #include "utilities/Globals_macros.h"
 #include <GLFW/glfw3.h>
diff --git a/utilities/utilities.cpp b/utilities/utilities.cpp
index 862ccc9b..ab4b7393 100644
--- a/utilities/utilities.cpp
+++ b/utilities/utilities.cpp
@@ -1,4 +1,5 @@
 module;
+#include <cstdint>
 #include <limits>
 #include <type_traits>
 #include <array>
diff --git a/widgets/cameraview_extcam.cpp b/widgets/cameraview_extcam.cpp
index 422b6e67..edd36425 100644
--- a/widgets/cameraview_extcam.cpp
+++ b/widgets/cameraview_extcam.cpp
@@ -1,4 +1,6 @@
 module;
+#include <cstddef>
+#include <cstdint>
 #include <atomic>
 #include <chrono>
 #include <condition_variable>
diff --git a/widgets/cameraview_extcam.cppm b/widgets/cameraview_extcam.cppm
index 2946a770..f52113c3 100644
--- a/widgets/cameraview_extcam.cppm
+++ b/widgets/cameraview_extcam.cppm
@@ -2,6 +2,7 @@
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 module;
+#include <cstdint>
 #include <string>
 #include <atomic>
 #include <condition_variable>
diff --git a/widgets/map.cpp b/widgets/map.cpp
index 94b85bb3..67bd5417 100644
--- a/widgets/map.cpp
+++ b/widgets/map.cpp
@@ -1,4 +1,5 @@
 module;
+#include <cstddef>
 #include <iterator>
 #include "utilities/translation_macros.h"
 #include "glad/glad.h"
diff --git a/widgets/perfgraphs.cpp b/widgets/perfgraphs.cpp
index ec4c6055..bb267139 100644
--- a/widgets/perfgraphs.cpp
+++ b/widgets/perfgraphs.cpp
@@ -1,4 +1,5 @@
 module;
+#include <cstddef>
 #include <array>
 #include <vector>
 #include <string>
diff --git a/widgets/perfgraphs.cppm b/widgets/perfgraphs.cppm
index fca46456..cdd46685 100644
--- a/widgets/perfgraphs.cppm
+++ b/widgets/perfgraphs.cppm
@@ -1,4 +1,5 @@
 module;
+#include <cstddef>
 #include <array>
 #include <string>
 #include <vector>