diff --git a/xen/arch/x86/mm/p2m.c b/xen/arch/x86/mm/p2m.c
index 6b9e8066c6..181acc7bc6 100644
--- a/xen/arch/x86/mm/p2m.c
+++ b/xen/arch/x86/mm/p2m.c
@@ -825,7 +825,7 @@ static int set_typed_p2m_entry(struct domain *d, unsigned long gfn, mfn_t mfn,
     omfn = p2m->get_entry(p2m, gfn, &ot, &a, 0, NULL);
     if ( p2m_is_grant(ot) || p2m_is_foreign(ot) )
     {
-        p2m_unlock(p2m);
+        gfn_unlock(p2m, gfn, 0);
         domain_crash(d);
         return -ENOENT;
     }