diff --git a/rpcs3/util/vm_native.cpp b/rpcs3/util/vm_native.cpp
index 7bc7526e0b..f3194f69cc 100644
--- a/rpcs3/util/vm_native.cpp
+++ b/rpcs3/util/vm_native.cpp
@@ -366,7 +366,7 @@ namespace utils
 				MessageBoxW(0, L"RPCS3 needs to be restarted to create sparse file rpcs3_vm.", L"RPCS3", MB_ICONEXCLAMATION);
 			}
 
-			if ((info0.FileAttributes & FILE_ATTRIBUTE_SPARSE_FILE) || DeviceIoControl(h, FSCTL_SET_SPARSE, &arg, sizeof(arg), nullptr, 0, nullptr, nullptr))
+			if (DWORD bytesReturned{}; (info0.FileAttributes & FILE_ATTRIBUTE_SPARSE_FILE) || DeviceIoControl(h, FSCTL_SET_SPARSE, &arg, sizeof(arg), nullptr, 0, &bytesReturned, nullptr))
 			{
 				if ((info0.FileAttributes & FILE_ATTRIBUTE_SPARSE_FILE) == 0 && version_major <= 7)
 				{