--- a/ext/win32ole/win32ole.c
+++ b/ext/win32ole/win32ole.c
@@ -50,6 +50,7 @@ static volatile DWORD g_ole_initialized_key = TLS_OUT_OF_INDEXES;
 static BOOL g_uninitialize_hooked = FALSE;
 static BOOL g_cp_installed = FALSE;
 static BOOL g_lcid_installed = FALSE;
+static BOOL g_running_nano = FALSE;
 static HINSTANCE ghhctrl = NULL;
 static HINSTANCE gole32 = NULL;
 static FNCOCREATEINSTANCEEX *gCoCreateInstanceEx = NULL;
@@ -817,16 +818,22 @@ ole_initialize(void)
     }
 
     if(g_ole_initialized == FALSE) {
-        hr = OleInitialize(NULL);
+        if(g_running_nano == TRUE) {
+            hr = CoInitializeEx(NULL, COINIT_MULTITHREADED);
+        } else {
+            hr = OleInitialize(NULL);
+        }
         if(FAILED(hr)) {
             ole_raise(hr, rb_eRuntimeError, "fail: OLE initialize");
         }
         g_ole_initialized_set(TRUE);
 
-        hr = CoRegisterMessageFilter(&imessage_filter, &previous_filter);
-        if(FAILED(hr)) {
-            previous_filter = NULL;
-            ole_raise(hr, rb_eRuntimeError, "fail: install OLE MessageFilter");
+        if(g_running_nano == FALSE) {
+            hr = CoRegisterMessageFilter(&imessage_filter, &previous_filter);
+            if(FAILED(hr)) {
+                previous_filter = NULL;
+                ole_raise(hr, rb_eRuntimeError, "fail: install OLE MessageFilter");
+            }
         }
     }
 }
@@ -3890,10 +3897,29 @@ com_hash_size(const void *ptr)
 }
 
 void
+check_nano_server(void)
+{
+    HKEY hsubkey;
+    LONG err;
+    const char * subkey = "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Server\\ServerLevels";
+    const char * regval = "NanoServer";
+
+    err = RegOpenKeyEx(HKEY_LOCAL_MACHINE, subkey, 0, KEY_READ, &hsubkey);
+    if (err == ERROR_SUCCESS) {
+        err = RegQueryValueEx(hsubkey, regval, NULL, NULL, NULL, NULL);
+        if (err == ERROR_SUCCESS) {
+            g_running_nano = TRUE;
+        }
+        RegCloseKey(hsubkey);
+    }
+}
+
+void
 Init_win32ole(void)
 {
     cWIN32OLE_lcid = LOCALE_SYSTEM_DEFAULT;
     g_ole_initialized_init();
+    check_nano_server();
 
     com_vtbl.QueryInterface = QueryInterface;
     com_vtbl.AddRef = AddRef;