diff --git a/tools/wine.inf.in b/tools/wine.inf.in
index 111340015e..e317a0d338 100644
--- a/tools/wine.inf.in
+++ b/tools/wine.inf.in
@@ -3049,6 +3049,7 @@ HKLM,%CurrentVersionNT%,"CurrentVersion",2,"5.1"
 HKLM,%CurrentVersionNT%,"CSDVersion",2,"Service Pack 3"
 HKLM,%CurrentVersionNT%,"CurrentBuildNumber",2,"2600"
 HKLM,%CurrentVersionNT%,"CurrentType",2,"Uniprocessor Free"
+HKLM,%CurrentVersionNT%,"ProductName",2,"Microsoft Windows XP"
 HKLM,%Control%\ProductOptions,"ProductType",2,"WinNT"
 HKLM,%Control%\Windows,"CSDVersion",0x10003,0x300
 HKLM,%Control%\Session Manager\Environment,"OS",2,"Windows_NT"