diff --git a/psutil/_psutil_windows.c b/psutil/_psutil_windows.c
index 83da3a26c1..a99cfd7b31 100644
--- a/psutil/_psutil_windows.c
+++ b/psutil/_psutil_windows.c
@@ -610,20 +610,18 @@ psutil_proc_memory_uss(PyObject *self, PyObject *args) {
  */
 static PyObject *
 psutil_virtual_mem(PyObject *self, PyObject *args) {
-    MEMORYSTATUSEX memInfo;
-    memInfo.dwLength = sizeof(MEMORYSTATUSEX);
-
-    if (! GlobalMemoryStatusEx(&memInfo)) {
+    PERFORMANCE_INFORMATION perfInfo;
+    if (! GetPerformanceInfo(&perfInfo, sizeof(PERFORMANCE_INFORMATION))) {
         PyErr_SetFromWindowsErr(0);
         return NULL;
     }
     return Py_BuildValue("(LLLLLL)",
-                         memInfo.ullTotalPhys,      // total
-                         memInfo.ullAvailPhys,      // avail
-                         memInfo.ullTotalPageFile,  // total page file
-                         memInfo.ullAvailPageFile,  // avail page file
-                         memInfo.ullTotalVirtual,   // total virtual
-                         memInfo.ullAvailVirtual);  // avail virtual
+                         perfInfo.PhysicalTotal * perfInfo.PageSize,      // total
+                         perfInfo.PhysicalAvailable * perfInfo.PageSize,  // avail
+                         (perfInfo.CommitLimit - perfInfo.PhysicalTotal) * perfInfo.PageSize, // total page file
+                         (perfInfo.CommitLimit - perfInfo.CommitTotal - perfInfo.PhysicalAvailable) * perfInfo.PageSize,  // avail page file
+                         perfInfo.CommitLimit * perfInfo.PageSize,   // total virtual
+                         (perfInfo.CommitLimit - perfInfo.CommitTotal) * perfInfo.PageSize);  // avail virtual
 }