diff --git a/windows/mdi.c b/windows/mdi.c
index 76e5dd63ba3..e2187df2ae0 100644
--- a/windows/mdi.c
+++ b/windows/mdi.c
@@ -95,6 +95,7 @@
 #include "win.h"
 #include "nonclient.h"
 #include "controls.h"
+#include "message.h"
 #include "user.h"
 #include "struct32.h"
 #include "wine/debug.h"
@@ -1013,7 +1014,7 @@ static LRESULT MDIClientWndProc_common( HWND hwnd, UINT message,
 {
     MDICLIENTINFO *ci;
 
-    TRACE("%p %04x %08x %08lx\n", hwnd, message, wParam, lParam);
+    TRACE("%p %04x (%s) %08x %08lx\n", hwnd, message, SPY_GetMsgName(message, hwnd), wParam, lParam);
 
     if (!(ci = get_client_info( hwnd ))) return 0;
 
@@ -1293,7 +1294,7 @@ LRESULT WINAPI DefFrameProcW( HWND hwnd, HWND hwndMDIClient,
 {
     MDICLIENTINFO *ci = get_client_info( hwndMDIClient );
 
-    TRACE("%p %p %04x %08x %08lx\n", hwnd, hwndMDIClient, message, wParam, lParam);
+    TRACE("%p %p %04x (%s) %08x %08lx\n", hwnd, hwndMDIClient, message, SPY_GetMsgName(message, hwnd), wParam, lParam);
 
     if (ci)
     {
@@ -1390,7 +1391,7 @@ LRESULT WINAPI DefMDIChildProcA( HWND hwnd, UINT message,
     HWND client = GetParent(hwnd);
     MDICLIENTINFO *ci = get_client_info( client );
 
-    TRACE("%p %04x %08x %08lx\n", hwnd, message, wParam, lParam);
+    TRACE("%p %04x (%s) %08x %08lx\n", hwnd, message, SPY_GetMsgName(message, hwnd), wParam, lParam);
 
     hwnd = WIN_GetFullHandle( hwnd );
     if (!ci) return DefWindowProcA( hwnd, message, wParam, lParam );
@@ -1428,7 +1429,7 @@ LRESULT WINAPI DefMDIChildProcW( HWND hwnd, UINT message,
     HWND client = GetParent(hwnd);
     MDICLIENTINFO *ci = get_client_info( client );
 
-    TRACE("%p %04x %08x %08lx\n", hwnd, message, wParam, lParam);
+    TRACE("%p %04x (%s) %08x %08lx\n", hwnd, message, SPY_GetMsgName(message, hwnd), wParam, lParam);
 
     hwnd = WIN_GetFullHandle( hwnd );
     if (!ci) return DefWindowProcW( hwnd, message, wParam, lParam );