diff --git a/tools/wine.inf b/tools/wine.inf
index e16b1b0a546..af6e545a89f 100644
--- a/tools/wine.inf
+++ b/tools/wine.inf
@@ -87,6 +87,7 @@ HKCR,.avi,"Content Type",2,"video/avi"
 HKCR,.dll,"Content Type",2,"application/x-msdownload"
 HKCR,.exe,,2,"exefile"
 HKCR,.exe,"Content Type",2,"application/x-msdownload"
+HKCR,.hlp,,2,"hlpfile"
 HKCR,.htm,,2,"htmlfile"
 HKCR,.htm,"Content Type",2,"text/html"
 HKCR,.html,,2,"htmlfile"
@@ -106,6 +107,7 @@ HKCR,exefile\shell\open\command,,2,"""%1"" %*"
 HKCR,folder\shell\open\ddeexec,,2,"[ViewFolder("%l", %I, %S)]"
 HKCR,folder\shell\open\ddeexec,"NoActivateHandler",2,""
 HKCR,folder\shell\open\ddeexec\application,,2,"Folders"
+HKCR,hlpfile\shell\open\command,,2,"%10%\winhelp.exe %1"
 HKCR,htmlfile\shell\open\command,,2,"winebrowser"
 HKCR,inifile\shell\open\command,,2,"%11%\notepad.exe %1"
 HKCR,inifile\shell\print\command,,2,"%11%\notepad.exe /p %1"