diff --git a/dlls/apphelp/apphelp.c b/dlls/apphelp/apphelp.c
index 4a3cd9635ae..9394cf36407 100644
--- a/dlls/apphelp/apphelp.c
+++ b/dlls/apphelp/apphelp.c
@@ -67,3 +67,9 @@ PDB WINAPI SdbCreateDatabase( LPCWSTR path, PATH_TYPE type )
     SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
     return NULL;
 }
+
+BOOL WINAPI ApphelpCheckShellObject( REFCLSID clsid, BOOL shim, ULONGLONG *flags )
+{
+    FIXME("stub: %s %p\n", debugstr_guid(clsid), flags );
+    return TRUE;
+}
diff --git a/dlls/apphelp/apphelp.spec b/dlls/apphelp/apphelp.spec
index e8ebccb4a2b..76af9ad2021 100644
--- a/dlls/apphelp/apphelp.spec
+++ b/dlls/apphelp/apphelp.spec
@@ -4,7 +4,7 @@
 @ stdcall ApphelpCheckMsiPackage(ptr wstr)
 @ stub ApphelpCheckRunApp
 @ stub ApphelpCheckRunAppEx
-@ stub ApphelpCheckShellObject
+@ stdcall ApphelpCheckShellObject(ptr long ptr)
 @ stub ApphelpCreateAppcompatData
 @ stub ApphelpFixMsiPackage
 @ stub ApphelpFixMsiPackageExe