diff --git a/dlls/hhctrl.ocx/hhctrl.c b/dlls/hhctrl.ocx/hhctrl.c
index 357088e3e15..2a301126e41 100644
--- a/dlls/hhctrl.ocx/hhctrl.c
+++ b/dlls/hhctrl.ocx/hhctrl.c
@@ -56,3 +56,9 @@ HWND WINAPI HtmlHelpA(HWND caller, LPCSTR filename, UINT command, DWORD data)
     HeapFree( GetProcessHeap(), 0, wfile );
     return result;
 }
+
+int WINAPI doWinMain(HMODULE hMod, LPSTR cmdline)
+{
+    FIXME("(0x%x %s) stub!\n", (unsigned)hMod, debugstr_a(cmdline));
+    return -1;
+}
diff --git a/dlls/hhctrl.ocx/hhctrl.ocx.spec b/dlls/hhctrl.ocx/hhctrl.ocx.spec
index 1eed44a5847..ba62d666e1c 100644
--- a/dlls/hhctrl.ocx/hhctrl.ocx.spec
+++ b/dlls/hhctrl.ocx/hhctrl.ocx.spec
@@ -1,3 +1,4 @@
+13 stdcall doWinMain(long ptr)
 14 stdcall HtmlHelpA(ptr ptr long long)
 15 stdcall HtmlHelpW(ptr ptr long long)
 @ stdcall -private DllRegisterServer() HHCTRL_DllRegisterServer
diff --git a/include/htmlhelp.h b/include/htmlhelp.h
index 172553fd15d..c640ba6db8d 100644
--- a/include/htmlhelp.h
+++ b/include/htmlhelp.h
@@ -420,7 +420,7 @@ typedef struct tagHH_NTRACKW {
 DECL_WINELIB_TYPE_AW(HH_NTRACK)
 
 HWND WINAPI HtmlHelpA(HWND,LPCSTR,UINT,DWORD);
-HWND WINAPI HtmlHelpA(HWND,LPCSTR,UINT,DWORD);
+HWND WINAPI HtmlHelpW(HWND,LPCWSTR,UINT,DWORD);
 #define HtmlHelp WINELIB_NAME_AW(HtmlHelp)
 
 #define ATOM_HTMLHELP_API_ANSI    (LPTSTR)14