diff --git a/ExplorerPatcher/dllmain.c b/ExplorerPatcher/dllmain.c
index 6256739..617557c 100644
--- a/ExplorerPatcher/dllmain.c
+++ b/ExplorerPatcher/dllmain.c
@@ -40,6 +40,10 @@ IEPWeather* epw = NULL;
 SRWLOCK lock_epw = { .Ptr = SRWLOCK_INIT };
 #endif
 
+#ifndef _WIN64
+RTL_OSVERSIONINFOW global_rovi;
+#endif
+
 #define WINX_ADJUST_X 5
 #define WINX_ADJUST_Y 5
 
diff --git a/ExplorerPatcher/utility.c b/ExplorerPatcher/utility.c
index 8bc528d..50766a2 100644
--- a/ExplorerPatcher/utility.c
+++ b/ExplorerPatcher/utility.c
@@ -2,6 +2,8 @@
 #include <Wininet.h>
 #pragma comment(lib, "Wininet.lib")
 
+RTL_OSVERSIONINFOW global_rovi;
+
 #pragma region "Weird stuff"
 INT64 STDMETHODCALLTYPE nimpl4_1(INT64 a1, DWORD* a2)
 {
diff --git a/ExplorerPatcher/utility.h b/ExplorerPatcher/utility.h
index aabd4b2..380962f 100644
--- a/ExplorerPatcher/utility.h
+++ b/ExplorerPatcher/utility.h
@@ -571,10 +571,11 @@ BOOL PleaseWait_UpdateTimeout(int timeout);
 VOID CALLBACK PleaseWait_TimerProc(HWND hWnd, UINT uMsg, UINT idEvent, DWORD dwTime);
 LRESULT CALLBACK PleaseWait_HookProc(int code, WPARAM wParam, LPARAM lParam);
 
+extern RTL_OSVERSIONINFOW global_rovi;
 inline BOOL IsWindows11()
 {
-    RTL_OSVERSIONINFOW rovi;
-    if (VnGetOSVersion(&rovi) && rovi.dwBuildNumber >= 21996)
+    if (!global_rovi.dwMajorVersion) VnGetOSVersion(&global_rovi);
+    if (global_rovi.dwBuildNumber >= 21996)
     {
         return TRUE;
     }