diff --git a/DDraw/dllmain.cpp b/DDraw/dllmain.cpp
index 9f098f1..e77a2d1 100644
--- a/DDraw/dllmain.cpp
+++ b/DDraw/dllmain.cpp
@@ -4,8 +4,8 @@
 
 #include <windows.h>
 #include <stdio.h>
-#include <Shlwapi.h>
-#include <ShlObj.h>
+#include <shlwapi.h>
+#include <shlobj.h>
 #include "Utils/MemoryMgr.h"
 #include "Utils/Patterns.h"
 #include "Utils/ScopedUnprotect.hpp"
@@ -230,4 +230,4 @@ extern "C" __declspec(dllexport)
 uint32_t GetBuildNumber()
 {
 	return (SILENTPATCH_REVISION_ID << 8) | SILENTPATCH_BUILD_ID;
-}
\ No newline at end of file
+}
diff --git a/SilentPatch/Common_ddraw.cpp b/SilentPatch/Common_ddraw.cpp
index 7bc6e09..07ab3d7 100644
--- a/SilentPatch/Common_ddraw.cpp
+++ b/SilentPatch/Common_ddraw.cpp
@@ -8,8 +8,8 @@
 
 #include <windows.h>
 
-#include <Shlwapi.h>
-#include <ShlObj.h>
+#include <shlwapi.h>
+#include <shlobj.h>
 #include "Utils/MemoryMgr.h"
 #include "Utils/Patterns.h"
 
diff --git a/SilentPatch/ParseUtils.cpp b/SilentPatch/ParseUtils.cpp
index 1988733..52f878c 100644
--- a/SilentPatch/ParseUtils.cpp
+++ b/SilentPatch/ParseUtils.cpp
@@ -2,7 +2,7 @@
 
 #define WIN32_LEAN_AND_MEAN
 #define NOMINMAX
-#include <Windows.h>
+#include <windows.h>
 
 static std::string WcharToUTF8(std::wstring_view str)
 {
diff --git a/SilentPatch/TheFLAUtils.cpp b/SilentPatch/TheFLAUtils.cpp
index 685280c..9cc3164 100644
--- a/SilentPatch/TheFLAUtils.cpp
+++ b/SilentPatch/TheFLAUtils.cpp
@@ -1,7 +1,7 @@
 #include "TheFLAUtils.h"
 
 #define WIN32_LEAN_AND_MEAN
-#include <Windows.h>
+#include <windows.h>
 
 #include "Utils/ModuleList.hpp"
 
@@ -39,4 +39,4 @@ bool FLAUtils::UsesEnhancedIMGs()
 	const auto func = reinterpret_cast<bool(*)()>(GetProcAddress( flaModule, "IsHandlingOfEnhancedIMGarchivesEnabled" ));
 	if ( func == nullptr ) return false;
 	return func();
-}
\ No newline at end of file
+}
diff --git a/SilentPatchIII/SilentPatchIII.cpp b/SilentPatchIII/SilentPatchIII.cpp
index fbb25ac..051ab2a 100644
--- a/SilentPatchIII/SilentPatchIII.cpp
+++ b/SilentPatchIII/SilentPatchIII.cpp
@@ -12,7 +12,7 @@
 
 #include <array>
 #include <memory>
-#include <Shlwapi.h>
+#include <shlwapi.h>
 
 #include "Utils/ModuleList.hpp"
 #include "Utils/Patterns.h"
diff --git a/SilentPatchSA/AudioHardwareSA.h b/SilentPatchSA/AudioHardwareSA.h
index 2383d56..506073c 100644
--- a/SilentPatchSA/AudioHardwareSA.h
+++ b/SilentPatchSA/AudioHardwareSA.h
@@ -2,7 +2,7 @@
 #define __AUDIOHARDWARE
 
 // IStream
-#include <Objidl.h>
+#include <objidl.h>
 
 enum eDecoderType
 {
@@ -205,4 +205,4 @@ public:
 static_assert(sizeof(CAEDataStreamOld) == 0x28, "Wrong size: CAEDataStreamOld");
 static_assert(sizeof(CAEDataStreamNew) == 0x2C, "Wrong size: CAEDataStreamNew");
 
-#endif
\ No newline at end of file
+#endif
diff --git a/SilentPatchSA/FLACDecoderSA.h b/SilentPatchSA/FLACDecoderSA.h
index 159a337..523df86 100644
--- a/SilentPatchSA/FLACDecoderSA.h
+++ b/SilentPatchSA/FLACDecoderSA.h
@@ -3,8 +3,8 @@
 #include "AudioHardwareSA.h"
 
 // libflac
-#include "FLAC\stream_decoder.h"
-#include "FLAC\metadata.h"
+#include "FLAC/stream_decoder.h"
+#include "FLAC/metadata.h"
 
 class CAEFLACDecoder final : public CAEStreamingDecoder
 {
@@ -45,4 +45,4 @@ public:
 	{ return m_streamMeta->data.stream_info.sample_rate; }
 	virtual uint32_t		GetStreamID() const override
 	{ return GetStream()->GetID(); }
-};
\ No newline at end of file
+};
diff --git a/SilentPatchSA/SilentPatchSA.cpp b/SilentPatchSA/SilentPatchSA.cpp
index 1d76ed2..da3f0bd 100644
--- a/SilentPatchSA/SilentPatchSA.cpp
+++ b/SilentPatchSA/SilentPatchSA.cpp
@@ -3,9 +3,9 @@
 #include <algorithm>
 #include <array>
 #include <d3d9.h>
-#include <Shlwapi.h>
-#include <ShlObj.h>
-#include <ShellAPI.h>
+#include <shlwapi.h>
+#include <shlobj.h>
+#include <shellapi.h>
 #include <cinttypes>
 
 #include "ScriptSA.h"
diff --git a/SilentPatchVC/SilentPatchVC.cpp b/SilentPatchVC/SilentPatchVC.cpp
index c7ba296..c5b6ebd 100644
--- a/SilentPatchVC/SilentPatchVC.cpp
+++ b/SilentPatchVC/SilentPatchVC.cpp
@@ -16,7 +16,7 @@
 
 #include <array>
 #include <memory>
-#include <Shlwapi.h>
+#include <shlwapi.h>
 #include <time.h>
 
 #include "Utils/ModuleList.hpp"