diff --git a/Sandboxie/core/dll/sysinfo.c b/Sandboxie/core/dll/sysinfo.c
index 0e8fdf44..21b7977d 100644
--- a/Sandboxie/core/dll/sysinfo.c
+++ b/Sandboxie/core/dll/sysinfo.c
@@ -231,7 +231,7 @@ _FX NTSTATUS SysInfo_NtQuerySystemInformation(
 		RQVEW RegQueryValueExW = Ldr_GetProcAddrOld(L"Advapi32.dll", L"RegQueryValueExW");
 		DWORD type;
 		if (RegOpenKeyExW(HKEY_CURRENT_USER, L"SOFTWARE\\SandboxieHide\\", 0, KEY_READ, &hKey))
-			RegQueryValueExW(hKey, "FalseFirewareValue", 0, &type, lpData, &dwLen);
+			RegQueryValueExW(hKey, "FalseFirmwareValue", 0, &type, lpData, &dwLen);
 		if (dwLen != 0) {
 			Buffer = lpData;
 			*ReturnLength = dwLen;