diff --git a/backends/imgui_impl_win32.cpp b/backends/imgui_impl_win32.cpp
index edb7c3c5..a198da94 100644
--- a/backends/imgui_impl_win32.cpp
+++ b/backends/imgui_impl_win32.cpp
@@ -25,7 +25,7 @@
 
 // Using XInput for gamepad (will load DLL dynamically)
 #ifndef IMGUI_IMPL_WIN32_DISABLE_GAMEPAD
-#include <XInput.h>
+#include <xinput.h>
 typedef DWORD (WINAPI *PFN_XInputGetCapabilities)(DWORD, DWORD, XINPUT_CAPABILITIES*);
 typedef DWORD (WINAPI *PFN_XInputGetState)(DWORD, XINPUT_STATE*);
 #endif