diff --git a/hw/9pfs/9p.c b/hw/9pfs/9p.c
index 9621ec1341..991645adca 100644
--- a/hw/9pfs/9p.c
+++ b/hw/9pfs/9p.c
@@ -738,15 +738,14 @@ static VariLenAffix affixForIndex(uint64_t index)
     return invertAffix(&prefix); /* convert prefix to suffix */
 }
 
-/* creative abuse of tb_hash_func7, which is based on xxhash */
 static uint32_t qpp_hash(QppEntry e)
 {
-    return qemu_xxhash7(e.ino_prefix, e.dev, 0, 0, 0);
+    return qemu_xxhash4(e.ino_prefix, e.dev);
 }
 
 static uint32_t qpf_hash(QpfEntry e)
 {
-    return qemu_xxhash7(e.ino, e.dev, 0, 0, 0);
+    return qemu_xxhash4(e.ino, e.dev);
 }
 
 static bool qpd_cmp_func(const void *obj, const void *userp)